Add 20/63 and 4/72
20/63 + 4/72 is 47/126.
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,
20/63 = 20 × 8/63 × 8 = 160/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Add the two like fractions:
160/504 + 28/504 = 160 + 28/504 = 188/504 - 188/504 simplified gives 47/126
- So, 20/63 + 4/72 = 47/126
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