Add 4/63 and 40/42
4/63 + 40/42 is 64/63.
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,
4/63 = 4 × 2/63 × 2 = 8/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
40/42 = 40 × 3/42 × 3 = 120/126 - Add the two like fractions:
8/126 + 120/126 = 8 + 120/126 = 128/126 - 128/126 simplified gives 64/63
- So, 4/63 + 40/42 = 64/63
In mixed form: 11/63
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