Add 42/81 and 84/56
1st number: 42/81, 2nd number: 1 28/56
42/81 + 84/56 is 109/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 56 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 81 × 56 = 4536,
42/81 = 42 × 56/81 × 56 = 2352/4536 - Likewise, for the 2nd fraction, since 56 × 81 = 4536,
84/56 = 84 × 81/56 × 81 = 6804/4536 - Add the two like fractions:
2352/4536 + 6804/4536 = 2352 + 6804/4536 = 9156/4536 - 9156/4536 simplified gives 109/54
- So, 42/81 + 84/56 = 109/54
In mixed form: 21/54
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Related: 84/81+84/56