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LCM
100

Simplify the fraction 2/4

1/2

100

seven fifteenths 

7/15

100

Compare the fractions using <, >, or =

4/8     2/4

4/8  =  2/4

100

Add the fractions and simplify:   2/5  +  3/5

  5/5   or  1 whole

100

Subtract the fractions:   3/10  -  2/10

1/10
100

10

80

10

10,20,30,40,50,60,70,80

LCM:10

200

Simplify the fraction 8/12.

2/3

200

one half

1/2

200

Compare the fractions using <, >, or =.

1/5 and 1/3

1/5  < 1/3

200

Add the fractions and simplify:  1/4  +  (2/5)

13/20

200

Subtract the fractions:  4/7  -  3/7

1/7

200

5

45

5,10,15,20,25,30,35,40,45

45

300

Simplify the fraction 12/24.

6/12  3/6 1/2

300

five tenths

5/10

300

Compare the fractions using <, >, or =.

3/4     3/5


3/4  >  3/5

4, 8, 12,16,20

5,10,15,20

15/20    12 /20

300

Add the fractions and simplify:  3/10+1/4

17/40



300

Subtract the fractions:  1/5  -  1/10

1/10

300


12/20

60

12,24,36,48,60

20,40,60

LCM:60

400

Simplify the fraction 3/15.

1/5

400

three fourths

3/4

400

Compare the fractions using <, >, or =.

8/9     2/9

8/9  >   2/9

400

Add the fractions and simplify:  2/4 + 1/4 +1/4

     1

400

Subtract the fractions and simplify:  11/14 -  7/14

   4/14    2/7

400

3

30

3,6,9,12,15,18,21,24,27,30

30

LCM: 30

500

Simplify the fraction:               7/49

1/7

500

twenty one hundredths

20/100

500

Compare the fractions using <, >, or =.

2/5     2/10

2/5    2/10

5,10

10

4/10  >  2/10

500

Add the fractions and simplify:      8/10

4/5

500

Subtract the fractions:  20/25- 5/25

15/25

500

12/28

12,24,36,48,60,72,84

28, 56,84

LCM:84