Add 40/63 and 21/36
40/63 + 21/36 is 307/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
21/36 = 21 × 7/36 × 7 = 147/252 - Add the two like fractions:
160/252 + 147/252 = 160 + 147/252 = 307/252 - So, 40/63 + 21/36 = 307/252
In mixed form: 155/252
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