Subtract 81/20 from 28/24
1st number: 1 4/24, 2nd number: 4 1/20
28/24 - 81/20 is -173/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
28/24 = 28 × 5/24 × 5 = 140/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
81/20 = 81 × 6/20 × 6 = 486/120 - Subtract the two like fractions:
140/120 - 486/120 = 140 - 486/120 = -346/120 - After reducing the fraction, the answer is -173/60
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