4.5 Equivalent Fractions

4.5 Equivalent
Fractions
5th Grade Math
How do you know if fractions
are equivalent?
›  Can
you multiply or divide your numerator
and denominator by the same number?
Are 2 and 4 equivalent?
3
6
4
2
Are 10 and 5 equivalent?
5
4
Are 6 and 12 equivalent?
3
1
Are 2 and 1 equivalent?
2
4
1
Are 3 and 1 3 equivalent?
15
3
Are 20 and 5 equivalent?
When is a fraction in simplest
form?
›  It
is in simplest form when the only
common factor of the numerator and
denominator is 1.
20
Write
in simplest form.
28
›  Think
to
yourself:
What
numbers will
go into 20
that will also
go into 28?
4
Write
in simplest form.
6
›  Think
to
yourself:
What
number will
go into 4
that will also
go into 6?
5
Write
in simplest form.
9
›  Think
to
yourself:
What
number will
go into 5
that will also
go into 9?
Write
15
18
in simplest form.
›  Think
to
yourself:
What
number will
go into 15
that will also
go into 18?
Write
120
140
in simplest form?
›  Start
SOMEWHERE.
›  Using divisibility
rules, what
number will go into
120 and
Also into 140??
Simplify:
4
6
Simplify:
10
35
Simplify:
40
50
Simplify:
15
45
Simplify:
6
8
Simplify:
12
18
Simplify:
9
21
Write an equivalent fraction
for:
2
4
Write an equivalent fraction
for:
6
7
Write an equivalent fraction
for:
12
18
Write an equivalent fraction
for:
3
16
Write an equivalent fraction
for:
3
10
Write an equivalent fraction
for:
3
9
Write an equivalent fraction
for:
1
20
Write an equivalent fraction
for:
15
20