Add 40/63 and 20/36
40/63 + 20/36 is 25/21.
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,
20/36 = 20 × 7/36 × 7 = 140/252 - Add the two like fractions:
160/252 + 140/252 = 160 + 140/252 = 300/252 - 300/252 simplified gives 25/21
- So, 40/63 + 20/36 = 25/21
In mixed form: 14/21
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