Add 42/56 and 18/54
42/56 + 18/54 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
42/56 = 42 × 27/56 × 27 = 1134/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
18/54 = 18 × 28/54 × 28 = 504/1512 - Add the two like fractions:
1134/1512 + 504/1512 = 1134 + 504/1512 = 1638/1512 - 1638/1512 simplified gives 13/12
- So, 42/56 + 18/54 = 13/12
In mixed form: 11/12
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