Add 40/12 and 42/63
1st number: 3 4/12, 2nd number: 42/63
40/12 + 42/63 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
40/12 = 40 × 21/12 × 21 = 840/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
42/63 = 42 × 4/63 × 4 = 168/252 - Add the two like fractions:
840/252 + 168/252 = 840 + 168/252 = 1008/252 - 1008/252 simplified gives 4/1
- So, 40/12 + 42/63 = 4/1
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