Add 56/63 and 42/84
56/63 + 42/84 is 25/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
56/63 = 56 × 4/63 × 4 = 224/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
42/84 = 42 × 3/84 × 3 = 126/252 - Add the two like fractions:
224/252 + 126/252 = 224 + 126/252 = 350/252 - 350/252 simplified gives 25/18
- So, 56/63 + 42/84 = 25/18
In mixed form: 17/18
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