Subtract 21/8 from 40/3
1st number: 13 1/3, 2nd number: 2 5/8
40/3 - 21/8 is 257/24.
Steps for subtracting 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,
40/3 = 40 × 8/3 × 8 = 320/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Subtract the two like fractions:
320/24 - 63/24 = 320 - 63/24 = 257/24 - In mixed form: 1017/24
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