Add 21/4 and 4/56, Solve 5 1/4 + 4/56 as a fraction

Add 21/4 and 4/56

1^st number: 5 1/4, 2^nd number: 4/56

21/4 + 4/56 is 149/28.

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,
21/4 = 21 × 14/4 × 14 = 294/56
Likewise, for the 2nd fraction, since 56 × 1 = 56,
4/56 = 4 × 1/56 × 1 = 4/56
Add the two like fractions:
294/56 + 4/56 = 294 + 4/56 = 298/56
298/56 simplified gives 149/28
So, 21/4 + 4/56 = 149/28
In mixed form: 59/28

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