fractions
Number Sense
100

2/5+ 1/10

5/10

100

24.5+17.2

41.7

200

4/6-1/3

2/6

200

63.75-13.45

50.3

300

7/10-2/5

3/10

300

89.46+24.32

113.78

400

2/5x3/4

0.3

500

3/4-1/25

0.71

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