Add 7/63 and 7/28
7/63 + 7/28 is 13/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
7/63 = 7 × 4/63 × 4 = 28/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
7/28 = 7 × 9/28 × 9 = 63/252 - Add the two like fractions:
28/252 + 63/252 = 28 + 63/252 = 91/252 - 91/252 simplified gives 13/36
- So, 7/63 + 7/28 = 13/36
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