Add 20/63 and 63/72
20/63 + 63/72 is 601/504.
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,
63/72 = 63 × 7/72 × 7 = 441/504 - Add the two like fractions:
160/504 + 441/504 = 160 + 441/504 = 601/504 - So, 20/63 + 63/72 = 601/504
In mixed form: 197/504
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