Add 42/84 and 48/63
42/84 + 48/63 is 53/42.
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,
48/63 = 48 × 4/63 × 4 = 192/252 - Add the two like fractions:
126/252 + 192/252 = 126 + 192/252 = 318/252 - 318/252 simplified gives 53/42
- So, 42/84 + 48/63 = 53/42
In mixed form: 111/42
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