Add 54/4 and 21/56, Solve 13 2/4 + 21/56 as a fraction

Add 54/4 and 21/56

1^st number: 13 2/4, 2^nd number: 21/56

54/4 + 21/56 is 111/8.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 4 × 14 = 56,
54/4 = 54 × 14/4 × 14 = 756/56
Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56
Add the two like fractions:
756/56 + 21/56 = 756 + 21/56 = 777/56
777/56 simplified gives 111/8
So, 54/4 + 21/56 = 111/8
In mixed form: 137/8

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