Add 12/42 and 20/63
12/42 + 20/63 is 38/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
12/42 = 12 × 3/42 × 3 = 36/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
20/63 = 20 × 2/63 × 2 = 40/126 - Add the two like fractions:
36/126 + 40/126 = 36 + 40/126 = 76/126 - 76/126 simplified gives 38/63
- So, 12/42 + 20/63 = 38/63
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