Add 4/42 and 45/63
4/42 + 45/63 is 17/21.
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,
4/42 = 4 × 3/42 × 3 = 12/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126 - Add the two like fractions:
12/126 + 90/126 = 12 + 90/126 = 102/126 - 102/126 simplified gives 17/21
- So, 4/42 + 45/63 = 17/21
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