Add 21/4 and 20/24
1st number: 5 1/4, 2nd number: 20/24
21/4 + 20/24 is 73/12.
Steps for adding fractions
- 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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