Add 42/63 and 12/54
42/63 + 12/54 is 8/9.
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,
42/63 = 42 × 6/63 × 6 = 252/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378 - Add the two like fractions:
252/378 + 84/378 = 252 + 84/378 = 336/378 - 336/378 simplified gives 8/9
- So, 42/63 + 12/54 = 8/9
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