Add 40/84 and 15/63
40/84 + 15/63 is 5/7.
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,
40/84 = 40 × 3/84 × 3 = 120/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
120/252 + 60/252 = 120 + 60/252 = 180/252 - 180/252 simplified gives 5/7
- So, 40/84 + 15/63 = 5/7
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