Fractions

Greatest Common Factor

100

Find the greatest common factor of 4 and 6.

2

200

Find the greatest common factor of 8 and 16.

8

300

Find the greatest common factor of 35 and 49.

7.

400

Find the greatest common factor of 18 and 24.

6

500

Find the greatest common factor of 36 and 72.

36

Least Common Multiple

100

Find the least common multiple of 18 and 9.

18

200

Find the least common multiple of 6 and 10.

30

300

Find the least common multiple of 3 and 11

33

400

Find the least common multiple of 8 and 7.

56

500

Find the least common multiple of 15 and 1

60

Multiply the Fractions

100

2/3*4/7

8/21

200

5/9*9/25

1/5

300

1 2/7*2/3

6/7

400

Terrance listened to 2/7 of the songs on his iPod touch. He has 28 songs on his iPod. How many songs did he listen to on Thursday?

8 songs

500

Junior is 1 1/2 meters tall. Junior's brother is 1 1/2 of Junior's height. How tall is Junior's brother?

2 1/4 meters tall

Add the Fractions

100

Add the fractions:   2/5  +  7/10

11/10   or   1 1/10

200

Add the fractions:  1/4  +  3/16

7/16

300

Add the fractions:  2/3  +  5/7

29/21   or   1 8/21

400

Add the mixed numbers:   2 1/3   +    4 1/2

6  5/6

500

Add the mixed numbers:  8 1/5  +  1 7/9

9  44/45

Subtract the Fractions

100

Subtract the fractions:   3/5  -  3/10

3/10

200

Subtract the fractions:  4/7  -  5/14

3/14

300

Subtract the fractions:  3/5  -  3/8

9/40

400

Subtract the mixed numbers:  7  1/2  -  3  5/12

49/12  or  4  1/12

500

Subtract the mixed numbers:   3 -  1 2/3

4/3  or 1  1/3

Divide the Fractions

100

3 div 2/3

4 1/2

200

5 div 10/16

8

300

6 div 2/3

9

400

Ms. Herrick has 9 cups of sugar. If this is 3/4 of the amount of sugar she needs to make cookies, how many cups does she need?

12 cups

500

Simon's trick was so good that Ms. Herrick gave him 2 bones. Simon wasn't sure when he would get another bone so he decided to split the bones into 1/4 pieces. How many pieces would he get total?

8 pieces