Add 21/8 and 40/3
1st number: 2 5/8, 2nd number: 13 1/3
21/8 + 40/3 is 383/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 3 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 3 × 8 = 24,
40/3 = 40 × 8/3 × 8 = 320/24 - Add the two like fractions:
63/24 + 320/24 = 63 + 320/24 = 383/24 - So, 21/8 + 40/3 = 383/24
In mixed form: 1523/24
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