Add 21/24 and 7/8
21/24 + 7/8 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
7/8 = 7 × 3/8 × 3 = 21/24 - Add the two like fractions:
21/24 + 21/24 = 21 + 21/24 = 42/24 - 42/24 simplified gives 7/4
- So, 21/24 + 7/8 = 7/4
In mixed form: 13/4
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