Add 42/54 and 40/63
42/54 + 40/63 is 89/63.
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,
42/54 = 42 × 7/54 × 7 = 294/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
40/63 = 40 × 6/63 × 6 = 240/378 - Add the two like fractions:
294/378 + 240/378 = 294 + 240/378 = 534/378 - 534/378 simplified gives 89/63
- So, 42/54 + 40/63 = 89/63
In mixed form: 126/63
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