Add 30/72 and 4/63
30/72 + 4/63 is 121/252.
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,
30/72 = 30 × 7/72 × 7 = 210/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
4/63 = 4 × 8/63 × 8 = 32/504 - Add the two like fractions:
210/504 + 32/504 = 210 + 32/504 = 242/504 - 242/504 simplified gives 121/252
- So, 30/72 + 4/63 = 121/252
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