Add 42/84 and 30/63
42/84 + 30/63 is 41/42.
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,
42/84 = 42 × 3/84 × 3 = 126/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
30/63 = 30 × 4/63 × 4 = 120/252 - Add the two like fractions:
126/252 + 120/252 = 126 + 120/252 = 246/252 - 246/252 simplified gives 41/42
- So, 42/84 + 30/63 = 41/42
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