Add 3/4 and 21/24
3/4 + 21/24 is 13/8.
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,
3/4 = 3 × 6/4 × 6 = 18/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Add the two like fractions:
18/24 + 21/24 = 18 + 21/24 = 39/24 - 39/24 simplified gives 13/8
- So, 3/4 + 21/24 = 13/8
In mixed form: 15/8
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