Add 90/20 and 64/63
1st number: 4 10/20, 2nd number: 1 1/63
90/20 + 64/63 is 695/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
90/20 = 90 × 63/20 × 63 = 5670/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
64/63 = 64 × 20/63 × 20 = 1280/1260 - Add the two like fractions:
5670/1260 + 1280/1260 = 5670 + 1280/1260 = 6950/1260 - 6950/1260 simplified gives 695/126
- So, 90/20 + 64/63 = 695/126
In mixed form: 565/126
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