Add 4/72 and 18/63
4/72 + 18/63 is 43/126.
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,
4/72 = 4 × 7/72 × 7 = 28/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504 - Add the two like fractions:
28/504 + 144/504 = 28 + 144/504 = 172/504 - 172/504 simplified gives 43/126
- So, 4/72 + 18/63 = 43/126
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