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Unit Fractions
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Tenths/hundredth
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100

What is a unit fraction?

A fraction with 1 as a numerator

100

1/3 + 1/3

2/3

100

 1 1/6 + 1 1/6 =

2 2/6

100

68/100 + 3/10

98/100

100

4 1/2 - 3 1/2 =

1

200

Write 3/5 as a sum of unit fractions.

1/5 + 1/5 +1/5 = 3/5

200

4/5-2/5

2/5

200

3 5/8 + 3/8 =

4 or 3 8/8

200

1/10 + 30/100

40/100

200

5 8/12 - 5 3/12 =

5/12

300

Write 3/4 as a sum of unit fractions.

1/4 + 1/4 +1/4 = 3/4

300

8/9 +4/9

12/9 or 1 3/9 

300

4 3/4 - 2 2/4 =

1 1/4

300

3/10 + 20/100 + 1/100

51/100

300

4 2/5 - 1 4/5 =

2 3/5 or 13/5

400

Write 7/5 as a sum of unit fractions.

1/5 + 1/5 +1/5 + 1/5 +1/5 + 1/5 +1/5 = 7/5

400

2/3 + 4/3 +2/3

8/3 or 2 2/3

400

3 - 2 1/2 =

1/2

400

1  28/100 + 2  5/10 

3  78/100

400

9 4/10 - 3 8/10 

5 6/10 or 56/10

500

Write 1 1/4 as a sum of unit fractions.

1/4 + 1/4 +1/4 + 1/4 +1/4 = 1 1/4

500

1 - 7/8

1/8

500

4 1/5 - 2 4/5 =

1 2/5

500

1 2/100 + 5 7/10 = 

6 72/100

500

9 - 6 1/6 =

2 5/6 or 17/6