Add 21/4 and 20/24, Solve 5 1/4 + 20/24 as a fraction

Add 21/4 and 20/24

1^st number: 5 1/4, 2^nd number: 20/24

21/4 + 20/24 is 73/12.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24

Next, find the equivalent fraction of both fractional numbers with denominator 24
For the 1st fraction, since 4 × 6 = 24,
21/4 = 21 × 6/4 × 6 = 126/24
Likewise, for the 2nd fraction, since 24 × 1 = 24,
20/24 = 20 × 1/24 × 1 = 20/24
Add the two like fractions:
126/24 + 20/24 = 126 + 20/24 = 146/24
146/24 simplified gives 73/12
So, 21/4 + 20/24 = 73/12
In mixed form: 61/12

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