Add 9/63 and 20/72
9/63 + 20/72 is 53/126.
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,
9/63 = 9 × 8/63 × 8 = 72/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Add the two like fractions:
72/504 + 140/504 = 72 + 140/504 = 212/504 - 212/504 simplified gives 53/126
- So, 9/63 + 20/72 = 53/126
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