Add 70/42 and 72/56
1st number: 1 28/42, 2nd number: 1 16/56
70/42 + 72/56 is 62/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
70/42 = 70 × 4/42 × 4 = 280/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
72/56 = 72 × 3/56 × 3 = 216/168 - Add the two like fractions:
280/168 + 216/168 = 280 + 216/168 = 496/168 - 496/168 simplified gives 62/21
- So, 70/42 + 72/56 = 62/21
In mixed form: 220/21
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