Add 1/56 and 42/81
1/56 + 42/81 is 811/1512.
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,
1/56 = 1 × 81/56 × 81 = 81/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
42/81 = 42 × 56/81 × 56 = 2352/4536 - Add the two like fractions:
81/4536 + 2352/4536 = 81 + 2352/4536 = 2433/4536 - 2433/4536 simplified gives 811/1512
- So, 1/56 + 42/81 = 811/1512
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