Add 20/54 and 56/63
20/54 + 56/63 is 34/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
20/54 = 20 × 7/54 × 7 = 140/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
56/63 = 56 × 6/63 × 6 = 336/378 - Add the two like fractions:
140/378 + 336/378 = 140 + 336/378 = 476/378 - 476/378 simplified gives 34/27
- So, 20/54 + 56/63 = 34/27
In mixed form: 17/27
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