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Benchmarks
Simplify the Fraction
Improper to Mixed Number
Add the Fractions
Subtract the Fractions
Mixed Number to Improper
Adding/Subtracting Mixed Numbers
100
Estimate  8/9 + 1/6 
1
100

Simplify the fractions 5/10.

1/2

100

Turn to an improper fraction

2 1/2

5/2

100

Add the fractions:   2/5  +  5/10

9/10    

100

Subtract the fractions:   3/5  -  3/10

3/10

100

Turn to a mixed number

7/2

3 1/2

100

1 2/3 + 2 1/3

4

200

9/10 - 4/7

1/2

200

Simplify the fraction 8/12.

2/3

200

Turn to an improper fraction

3 3/5

18/5

200

Add the fractions:  1/4  +  3/16

7/16

200

Subtract the fractions:  4/7  -  5/14

3/14

200

Turn to a mixed number

13/4

3 1/4

200

3 2/5 + 2 1/4

5 13/20

300

2 7/8 + 3 1/7

6

300

Simplify the fraction 6/18.

1/3

300

Turn to an improper fraction

2 1/4

9/4

300

Add the fractions:  2/3  +  5/7

29/21   or   1 8/21

300

Subtract the fractions:  2/5  -  1/10

3/10 

300

Turn to a mixed number

27/5

5 2/5

300
6 8/9 - 2 1/3

4 5/8

400

4 2/5 - 1 6/7

2 1/2
400

Simplify the fraction 4/40.

1/10

400

Turn to an improper fraction

13 1/2

27/2

400

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

6  5/6

400

Subtract the fractions:  11/14 -  2/7

7/14 or 1/2

400

Turn to a mixed number

50/10

5

400

8 2/3 + 6 4/5

15 7/15

500

1/8 + 7/12 + 4/5

1 1/2

500

Simplify the fraction 7/49.

1/7

500

Turn to an improper fraction

1 23/27

50/27


500

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

9  44/45

500

Subtract the fractions:   1/6 - 1/36

 5/36

500

Turn to a mixed number

66/7

9 3/7

500

3 1/4 - 1 1/2

1 3/4