LCM, GCF, Fractions

GCF

100

Find the GCF of 4 and 8

4

200

Find the GCF of 12 and 20.

4

300

Find the GCF of 24 and 6.

6

400

Find the GCF of 75 and 30.

15

500

Find the GCF of 20, 24, and 12

4

LCM

100

Find the LCM of 9 and 15.

45

200

Find the LCM of 22 and 6.

66

300

Find the LCM of 12 and 20.

60

400

Find the LCM of 10 and 65.

130

500

Find the LCM of 6, 16, and 8.

48

Simplest Form and Equivalent Fractions

100

Fill in each blank so that the fractions are equivalent: 1/2 = /10

5

200

Fill in each blank so that the fractions are equivalent: 9/11 = 27/

33

300

Simplify the fraction: 12/15

4/5

400

Simplify the fraction: 9/54

1/6

500

Simplify the fraction: 24/28

6/7

Compare Fractions

100

4/8 _____ 1/2

<  >  =

=

200

2/5 ____3/7

<  >  =

<

300

4/12 ____ 2/6

<   >   =

=

400

5/9 ____ 3/5

<   >   =

<

500

7/14 _____ 6/12

=

Fraction to Decimal

100

1/2

.5  or .50

200

3/5

.6 or .60

300

3/4

.75

400

7/25

.28

500

4/20

.2 or .20