Add 8/63 and 20/72
8/63 + 20/72 is 17/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
8/63 = 8 × 8/63 × 8 = 64/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Add the two like fractions:
64/504 + 140/504 = 64 + 140/504 = 204/504 - 204/504 simplified gives 17/42
- So, 8/63 + 20/72 = 17/42
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