Add 20/63 and 40/54
20/63 + 40/54 is 200/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 63 × 6 = 378,
20/63 = 20 × 6/63 × 6 = 120/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378 - Add the two like fractions:
120/378 + 280/378 = 120 + 280/378 = 400/378 - 400/378 simplified gives 200/189
- So, 20/63 + 40/54 = 200/189
In mixed form: 111/189
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