Add 30/54 and 20/63
30/54 + 20/63 is 55/63.
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,
30/54 = 30 × 7/54 × 7 = 210/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
20/63 = 20 × 6/63 × 6 = 120/378 - Add the two like fractions:
210/378 + 120/378 = 210 + 120/378 = 330/378 - 330/378 simplified gives 55/63
- So, 30/54 + 20/63 = 55/63
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