Add 15/3 and 21/8
1st number: 5 0/3, 2nd number: 2 5/8
15/3 + 21/8 is 61/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
15/3 = 15 × 8/3 × 8 = 120/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Add the two like fractions:
120/24 + 63/24 = 120 + 63/24 = 183/24 - 183/24 simplified gives 61/8
- So, 15/3 + 21/8 = 61/8
In mixed form: 75/8
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