Add 5/2 and 21/56, Solve 2 1/2 + 21/56 as a fraction

Add 5/2 and 21/56

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

5/2 + 21/56 is 23/8.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 2 × 28 = 56,
5/2 = 5 × 28/2 × 28 = 140/56
Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56
Add the two like fractions:
140/56 + 21/56 = 140 + 21/56 = 161/56
161/56 simplified gives 23/8
So, 5/2 + 21/56 = 23/8
In mixed form: 27/8

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