Add 45/54 and 42/56
45/54 + 42/56 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 54 × 28 = 1512,
45/54 = 45 × 28/54 × 28 = 1260/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
42/56 = 42 × 27/56 × 27 = 1134/1512 - Add the two like fractions:
1260/1512 + 1134/1512 = 1260 + 1134/1512 = 2394/1512 - 2394/1512 simplified gives 19/12
- So, 45/54 + 42/56 = 19/12
In mixed form: 17/12
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