Subtract 21/40 from 28/3
1st number: 9 1/3, 2nd number: 21/40
28/3 - 21/40 is 1057/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
28/3 = 28 × 40/3 × 40 = 1120/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
21/40 = 21 × 3/40 × 3 = 63/120 - Subtract the two like fractions:
1120/120 - 63/120 = 1120 - 63/120 = 1057/120 - In mixed form: 897/120
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