Add 15/8 and 81/24
1st number: 1 7/8, 2nd number: 3 9/24
15/8 + 81/24 is 21/4.
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,
15/8 = 15 × 3/8 × 3 = 45/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
81/24 = 81 × 1/24 × 1 = 81/24 - Add the two like fractions:
45/24 + 81/24 = 45 + 81/24 = 126/24 - 126/24 simplified gives 21/4
- So, 15/8 + 81/24 = 21/4
In mixed form: 51/4
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