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10 questions
98 − 31 =
67
95
32
278
31 + 21 =
76
62
53
65
51 and 65 What number could be a common denominator for these two fractions:
30
11
6
12
What must you have to in order to add and subtract fractions?
common numerators
Different numerators
common denominators
different denominators
What is 98 - 65 = ?
76
43
181
1210
1/7 + 4/7 =
5/14
3/7
5/7
5/14
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