Add 42/63 and 20/56
42/63 + 20/56 is 43/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
42/63 = 42 × 8/63 × 8 = 336/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Add the two like fractions:
336/504 + 180/504 = 336 + 180/504 = 516/504 - 516/504 simplified gives 43/42
- So, 42/63 + 20/56 = 43/42
In mixed form: 11/42
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