Subtract 56/75 from 5/81
5/81 - 56/75 is -1387/2025.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 75 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 81 × 25 = 2025,
5/81 = 5 × 25/81 × 25 = 125/2025 - Likewise, for the 2nd fraction, since 75 × 27 = 2025,
56/75 = 56 × 27/75 × 27 = 1512/2025 - Subtract the two like fractions:
125/2025 - 1512/2025 = 125 - 1512/2025 = -1387/2025
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