Add 40/63 and 35/90
40/63 + 35/90 is 43/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
40/63 = 40 × 10/63 × 10 = 400/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
35/90 = 35 × 7/90 × 7 = 245/630 - Add the two like fractions:
400/630 + 245/630 = 400 + 245/630 = 645/630 - 645/630 simplified gives 43/42
- So, 40/63 + 35/90 = 43/42
In mixed form: 11/42
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