Add 42/63 and 9/56
42/63 + 9/56 is 139/168.
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,
9/56 = 9 × 9/56 × 9 = 81/504 - Add the two like fractions:
336/504 + 81/504 = 336 + 81/504 = 417/504 - 417/504 simplified gives 139/168
- So, 42/63 + 9/56 = 139/168
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