Add 20/63 and 28/54
20/63 + 28/54 is 158/189.
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,
28/54 = 28 × 7/54 × 7 = 196/378 - Add the two like fractions:
120/378 + 196/378 = 120 + 196/378 = 316/378 - 316/378 simplified gives 158/189
- So, 20/63 + 28/54 = 158/189
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