Add 12/49 and 42/63
12/49 + 42/63 is 134/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
12/49 = 12 × 9/49 × 9 = 108/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
42/63 = 42 × 7/63 × 7 = 294/441 - Add the two like fractions:
108/441 + 294/441 = 108 + 294/441 = 402/441 - 402/441 simplified gives 134/147
- So, 12/49 + 42/63 = 134/147
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