Add 30/56 and 63/42
1st number: 30/56, 2nd number: 1 21/42
30/56 + 63/42 is 57/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
30/56 = 30 × 3/56 × 3 = 90/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
63/42 = 63 × 4/42 × 4 = 252/168 - Add the two like fractions:
90/168 + 252/168 = 90 + 252/168 = 342/168 - 342/168 simplified gives 57/28
- So, 30/56 + 63/42 = 57/28
In mixed form: 21/28
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