Add 7/28 and 20/63
7/28 + 20/63 is 143/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
7/28 = 7 × 9/28 × 9 = 63/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Add the two like fractions:
63/252 + 80/252 = 63 + 80/252 = 143/252 - So, 7/28 + 20/63 = 143/252
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