1
Adding Fractions
unlike Denominators
2
Adding Fractions
unlike Denominators
+
Use the visual model to find a common
denominator and add the fractions.
+
unlike Denominators
Adding Fractions
1
4
+
10 5
Adding Fractions
unlike Denominators
4
1
1
2 + 6
Use the visual model to find a common
denominator and add the fractions.
3
+
Use the visual model to find a common
denominator and add the fractions.
+
7
3
8 + 4
Use the visual model to find a common
denominator and add the fractions.
3
2
12 + 3
2012 Teaching With a Mountain View!
Subtracting Fractions
6
Subtracting Fractions
unlike Denominators
Use the visual model to find a common
denominator and subtract the fractions.
unlike Denominators
Use the visual model to find a common
denominator and subtract the fractions.
-
5
-
unlike Denominators
Subtracting Fractions
4
2
- 9
3
Subtracting Fractions
unlike Denominators
8
7
1
10 - 2
7
-
Use the visual model to find a common
denominator and subtract the fractions.
-
5
1
6 - 3
Use the visual model to find a common
denominator and subtract the fractions.
4
3
5 - 10
2012 Teaching With a Mountain View!
9
Adding & Subtracting Fractions
unlike Denominators
10
Adding & Subtracting Fractions
unlike Denominators
Use the visual model to find a common
denominator and add or subtract the fractions.
Adding & Subtracting Fractions
unlike Denominators
2
5
5 + 10
Use the visual model to find a common
denominator and add or subtract the fractions.
3
- 12
+
6
6
Adding & Subtracting Fractions
unlike Denominators
3
3
-
1
6
Use the visual model to find a common
denominator and add or subtract the fractions.
12
-
11
3
4
Use the visual model to find a common
denominator and add or subtract the fractions.
+
1
8 +
2012 Teaching With a Mountain View!
13
Adding Fractions
unlike Denominators
unlike Denominators
=
Subtracting Fractions
+
Write the addition equation represented below.
Then, find the sum of the two fractions.
15
=
Write the subtraction equation represented below.
Then, find the difference of the two fractions.
-
14
Adding Fractions
unlike Denominators
unlike Denominators
=
Subtracting Fractions
+
Write the addition equation represented below.
Then, find the sum of the two fractions.
16
-
=
Write the subtraction equation represented below. Then,
find the difference of the two fractions.
2012 Teaching With a Mountain View!
17
19
Adding Fractions
18
Adding Fractions
unlike Denominators
Find the sum of the fractions.
unlike Denominators
Find the sum of the fractions.
2 2
+
3 10
Find the sum of the fractions.
unlike Denominators
Adding Fractions
5
1
+
6
4
20
1
2
+
3
5
Adding Fractions
unlike Denominators
Find the sum of the fractions.
3
4
+
7
8
2012 Teaching With a Mountain View!
Subtracting Fractions
unlike Denominators
22
Subtracting Fractions
unlike Denominators
Find the difference of the fractions.
21
Find the difference of the fractions.
unlike Denominators
Subtracting Fractions
1
1
5
8
Subtracting Fractions
unlike Denominators
9
5
10
7
Find the difference of the fractions.
24
5
2
7
9
23
Find the difference of the fractions.
1
3
4
9
2012 Teaching With a Mountain View!
Adding Fractions
unlike Denominators
3
5
4
unlike Denominators
Adding Fractions
1
4 +
8
Add the fractions below to find the sum.
25
27
Add the fractions below to find the sum.
3
5
5 +2
4
6
26
Adding Fractions
unlike Denominators
unlike Denominators
Adding Fractions
1 1 + 3 10
4
12
Add the fractions below to find the sum.
28
4 3 + 32
3
5
Add the fractions below to find the sum.
2012 Teaching With a Mountain View!
29
Subtracting Fractions
unlike Denominators
7
Subtracting Fractions
-2
9
Subtract the fractions below to find the difference.
31
unlike Denominators
Subtract the fractions below to find the difference.
1
1
9 -5
4
2
30
Subtracting Fractions
unlike Denominators
Subtracting Fractions
42 - 2 1
3
4
Subtract the fractions below to find the difference.
32
unlike Denominators
4 3 - 25
6
8
Subtract the fractions below to find the difference.
2012 Teaching With a Mountain View!
33
Adding Fractions
unlike Denominators
unlike Denominators
subtracting Fractions
2
11
+
=
5 3 15
Fill in the box with a numerator to make the
equation true.
35
Fill in the box with a numerator to make the
equation true.
3
4
=
7 6 42
34
Adding Fractions
unlike Denominators
unlike Denominators
subtracting Fractions
5
14
+
=
8 16 16
Fill in the box with a numerator to make the
equation true.
36
1
1
=
3 8 12
Fill in the box with a numerator to make the
equation true.
2012 Teaching With a Mountain View!
37
Adding & Subtracting Fractions
unlike Denominators
Adding & Subtracting Fractions
unlike Denominators
The Cornerstone bakery makes many
cupcakes each day. On Tuesday, 1/4 of the
cupcakes were chocolate and 5/8 of the
cupcakes were vanilla. How many more
cupcakes were vanilla?
39
Back at the Cornerstone bakery,
chef Mary was making her famous
sugar cookies. She used 1 2/3 of
a cup of sugar in the dough and 2
5/12 of flour in the dough. How
much more flour did she use than
sugar?
38
Adding & Subtracting Fractions
unlike Denominators
Adding & Subtracting Fractions
unlike Denominators
Lucy wasn’t allowed to have any
pets, so she collected stuffed
animals instead. She had 36
animals total. 3/12 of them were
bears and 4/6 of them were dogs.
What fraction of the animals were
either dogs or bears?
40
Katie loved making friendship bracelets.
She made two bracelets for her best
friends, who had different sized wrists.
One of the bracelets was 6 inches
long and the other was 7 1/3 inches
long. How much longer was the longer
bracelet?
2012 Teaching With a Mountain View!
Add & Subtract Fractions (Unlike Denominators) Task Cards
33.
29.
25.
21.
17.
13.
9.
5.
1.
38.
34.
30.
26.
22.
18.
14.
10.
6.
2.
39.
35.
31.
27.
23.
19.
15.
11.
7.
3.
40.
36.
32.
28.
24.
20.
16.
12.
8.
4.
Student Recording Sheet
37.