Add 5/63 and 20/42
5/63 + 20/42 is 5/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
5/63 = 5 × 2/63 × 2 = 10/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
20/42 = 20 × 3/42 × 3 = 60/126 - Add the two like fractions:
10/126 + 60/126 = 10 + 60/126 = 70/126 - 70/126 simplified gives 5/9
- So, 5/63 + 20/42 = 5/9
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