Add 40/63 and 20/28
40/63 + 20/28 is 85/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 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 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Add the two like fractions:
160/252 + 180/252 = 160 + 180/252 = 340/252 - 340/252 simplified gives 85/63
- So, 40/63 + 20/28 = 85/63
In mixed form: 122/63
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