Add 84/56 and 15/81
1st number: 1 28/56, 2nd number: 15/81
84/56 + 15/81 is 91/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
84/56 = 84 × 81/56 × 81 = 6804/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
15/81 = 15 × 56/81 × 56 = 840/4536 - Add the two like fractions:
6804/4536 + 840/4536 = 6804 + 840/4536 = 7644/4536 - 7644/4536 simplified gives 91/54
- So, 84/56 + 15/81 = 91/54
In mixed form: 137/54
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