Add 63/42 and 72/56
1st number: 1 21/42, 2nd number: 1 16/56
63/42 + 72/56 is 39/14.
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,
63/42 = 63 × 4/42 × 4 = 252/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
72/56 = 72 × 3/56 × 3 = 216/168 - Add the two like fractions:
252/168 + 216/168 = 252 + 216/168 = 468/168 - 468/168 simplified gives 39/14
- So, 63/42 + 72/56 = 39/14
In mixed form: 211/14
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