Add 8/72 and 42/63
8/72 + 42/63 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
8/72 = 8 × 7/72 × 7 = 56/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
42/63 = 42 × 8/63 × 8 = 336/504 - Add the two like fractions:
56/504 + 336/504 = 56 + 336/504 = 392/504 - 392/504 simplified gives 7/9
- So, 8/72 + 42/63 = 7/9
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