Subtract 81/72 from 28/75
1st number: 28/75, 2nd number: 1 9/72
28/75 - 81/72 is -451/600.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
28/75 = 28 × 24/75 × 24 = 672/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
81/72 = 81 × 25/72 × 25 = 2025/1800 - Subtract the two like fractions:
672/1800 - 2025/1800 = 672 - 2025/1800 = -1353/1800 - After reducing the fraction, the answer is -451/600
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