Practice and Homework Name Lesson 6.4 Common …

Name

Common Denominators and Equivalent Fractions

Use a common denominator to write an equivalent fraction for each fraction.

1.

1_5,

1 _ 2

common

denominator: _1_0_

2.

1_4,

2 _ 3

common

denominator: ___

Think: 10 is a multiple of 5 and 2. Find equivalent fractions with a denominator of 10.

Practice and Homework

Lesson 6.4

COMMON CORE STANDARD--5.NF.A.1 Use equivalent fractions as a strategy to add and subtract fractions.

3.

5_6,

1 _ 3

common

denominator: ___

__ _120_, _150__

4.

3_5,

1 _ 3

common

denominator: ___

___

5.

1_2,

3 _ 8

common

denominator: ___

___

6.

1_6,

1 _ 4

common

denominator: ___

___

___

Use the least common denominator to write an equivalent fraction for each fraction.

7.

5_6,

2 _ 9

8.

_112_,

3 _ 8

___

9.

5_9,

_2_ 15

___

PPrroobblleemm SSoollvviinngg

___

___

10.

Ella She

asplseonsdpse2_3nhdosu1_2rhporuarcjtoicgignigntgh. eWphiaant ios

each day. the least

common denominator of the fractions?

11.

In a science experiment,

week

and

1 _ 2

inch

the

next

a plant grew week. Use a

3 _ 4

inch

one

common

denominator to write an equivalent fraction for

each fraction.

12.

WRITE

Math

Describe

how

you

would

rewrite

the

fractions

1 _ 6

and

1 _ 4

with their least common denominator.

? Houghton Mifflin Harcourt Publishing Company

Chapter 6 373

Lesson Check (5.NF.A.1)

1. Name a pair of fractions that use the least

common denominator and are equivalent to

_9_ 10

and

5_6.

2. laJeopfsteaapirnhodsf1_2aeyoqsfutaihvtaautlretknheteyrfresaaicnstdi5_8owonfiscahfohlrae5_8mfta. Wsnadhn1_2ad?twisicNhOT

Spiral Review (5.OA.A.1, , 5.NBT.A.3b, 5.NTB.B.6, 5.NTB.B.6)

3. Matthew had the following times in two races: 3.032 minutes and 3.023 minutes. Use >, ................
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