5° Mid-Chap. 6 Rev.

Vocabulary

100

fractions that name the same amount or part

Equivalent Fractions

200

the form of a fraction in which the numerator and denominator have only 1 as their common factor

simplest form

300

a common multiple of two or more denominators

common denominator

400

a number that is a multiple of two or more numbers

common multiple

Common Multiple

100

a common multiple for 9 and 15

a possible answer is 45 and 135

200

a common multiple for 6 and 21

a possible answer is 42 or 126

300

a common multiple for 14 and 42

a possible answer is 42 and 588

400

a common multiple for 12 and 18

a possible answer is 36 and 216

Least Common Multiple

100

What is the least common multiple of 5 and 8

40

200

What is the least common multiple of 5 and 3

15

300

What is the least common multiple of 7 and 6

42

400

What is the least common multiple of 2 and 8

8

Add

100

1/3 + 4/18

5/9

200

3/5 + 1/3

14/15

300

3/10 + 1/6

7/15

400

1/2 + 4/9

17/18

Subtract

100

1/2 - 3/8

1/8

200

5/7 - 2/3

1/21

300

4/9 - 1/6

5/18

400

11/12 - 7/15

9/20