Add 4/84 and 15/63
4/84 + 15/63 is 2/7.
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,
4/84 = 4 × 3/84 × 3 = 12/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
12/252 + 60/252 = 12 + 60/252 = 72/252 - 72/252 simplified gives 2/7
- So, 4/84 + 15/63 = 2/7
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