Add 5/84 and 21/63
5/84 + 21/63 is 11/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
5/84 = 5 × 3/84 × 3 = 15/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
21/63 = 21 × 4/63 × 4 = 84/252 - Add the two like fractions:
15/252 + 84/252 = 15 + 84/252 = 99/252 - 99/252 simplified gives 11/28
- So, 5/84 + 21/63 = 11/28
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