Add 42/81 and 18/56
42/81 + 18/56 is 635/756.
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,
18/56 = 18 × 81/56 × 81 = 1458/4536 - Add the two like fractions:
2352/4536 + 1458/4536 = 2352 + 1458/4536 = 3810/4536 - 3810/4536 simplified gives 635/756
- So, 42/81 + 18/56 = 635/756
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