Add 42/56 and 12/63
42/56 + 12/63 is 79/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
42/56 = 42 × 9/56 × 9 = 378/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
12/63 = 12 × 8/63 × 8 = 96/504 - Add the two like fractions:
378/504 + 96/504 = 378 + 96/504 = 474/504 - 474/504 simplified gives 79/84
- So, 42/56 + 12/63 = 79/84
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