Add 12/72 and 20/63
12/72 + 20/63 is 61/126.
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,
12/72 = 12 × 7/72 × 7 = 84/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
20/63 = 20 × 8/63 × 8 = 160/504 - Add the two like fractions:
84/504 + 160/504 = 84 + 160/504 = 244/504 - 244/504 simplified gives 61/126
- So, 12/72 + 20/63 = 61/126
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