Add 42/54 and 3/7
42/54 + 3/7 is 76/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 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 7 × 54 = 378,
3/7 = 3 × 54/7 × 54 = 162/378 - Add the two like fractions:
294/378 + 162/378 = 294 + 162/378 = 456/378 - 456/378 simplified gives 76/63
- So, 42/54 + 3/7 = 76/63
In mixed form: 113/63
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