Add 21/8 and 27/24
1st number: 2 5/8, 2nd number: 1 3/24
21/8 + 27/24 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
27/24 = 27 × 1/24 × 1 = 27/24 - Add the two like fractions:
63/24 + 27/24 = 63 + 27/24 = 90/24 - 90/24 simplified gives 15/4
- So, 21/8 + 27/24 = 15/4
In mixed form: 33/4
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