Add 81/56 and 20/54, Solve 1 25/56 + 20/54 as a fraction

Add 81/56 and 20/54

1^st number: 1 25/56, 2^nd number: 20/54

81/56 + 20/54 is 2747/1512.

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,
81/56 = 81 × 27/56 × 27 = 2187/1512
Likewise, for the 2nd fraction, since 54 × 28 = 1512,
20/54 = 20 × 28/54 × 28 = 560/1512
Add the two like fractions:
2187/1512 + 560/1512 = 2187 + 560/1512 = 2747/1512
So, 81/56 + 20/54 = 2747/1512
In mixed form: 11235/1512

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