Add 42/56 and 81/7
1st number: 42/56, 2nd number: 11 4/7
42/56 + 81/7 is 345/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
42/56 = 42 × 1/56 × 1 = 42/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
81/7 = 81 × 8/7 × 8 = 648/56 - Add the two like fractions:
42/56 + 648/56 = 42 + 648/56 = 690/56 - 690/56 simplified gives 345/28
- So, 42/56 + 81/7 = 345/28
In mixed form: 129/28
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