Add 7/63 and 72/84
7/63 + 72/84 is 61/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 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 84 × 3 = 252,
72/84 = 72 × 3/84 × 3 = 216/252 - Add the two like fractions:
28/252 + 216/252 = 28 + 216/252 = 244/252 - 244/252 simplified gives 61/63
- So, 7/63 + 72/84 = 61/63
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