Day 1 Lesson 3­5 Simplifying Fractions Notes Completed.notebook
September 25, 2012
Fraction is a number that names a part of a whole. Could be a ratio or a division problem.
Numerator ­ the top number in a fraction. Names the number of equal pieces being represented (or shaded)
Denominator ­ the bottom number in a fraction. Names the number of equal pieces the whole is divided into. Describes the size of the pieces. Sep 25­7:22 AM
1
Day 1 Lesson 3­5 Simplifying Fractions Notes Completed.notebook
September 25, 2012
Using Multiples to Write Equivalent Fractions:
7
8
= 7
8
= 7
8
= 7
8
= You try! Use multiples to write three equivalent fractions:
4 =
5
2
=
1
Sep 22­3:36 PM
2
Day 1 Lesson 3­5 Simplifying Fractions Notes Completed.notebook
September 25, 2012
Use Factors to Find Equivalent Fractions:
24
30
=
24
30
=
24
30
=
You try!! Use common factors to write two fractions equivalent to: 18
=
30
Sep 22­3:50 PM
3
Day 1 Lesson 3­5 Simplifying Fractions Notes Completed.notebook
September 25, 2012
Simplifying Fractions: A fraction is in simplest form when the numerator and denominator are relatively prime. Use Common Factors or Just Use the GCF
12
=
24
18
45
16
=
=
48
Sep 22­3:54 PM
4
Day 1 Lesson 3­5 Simplifying Fractions Notes Completed.notebook
September 25, 2012
Simplify these fractions, and find the GCF of the numerator and denominator. 36/54
72/108
125/450
49/700
96/360
90/126
144/324
Complete Practice 3­5 in your Practice Notebook.
Sep 17­8:26 PM
5