Add 40/18 and 64/63
1st number: 2 4/18, 2nd number: 1 1/63
40/18 + 64/63 is 68/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
64/63 = 64 × 2/63 × 2 = 128/126 - Add the two like fractions:
280/126 + 128/126 = 280 + 128/126 = 408/126 - 408/126 simplified gives 68/21
- So, 40/18 + 64/63 = 68/21
In mixed form: 35/21
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