Subtract 18/81 from 6/75
6/75 - 18/81 is -32/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 75 × 27 = 2025,
6/75 = 6 × 27/75 × 27 = 162/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
18/81 = 18 × 25/81 × 25 = 450/2025 - Subtract the two like fractions:
162/2025 - 450/2025 = 162 - 450/2025 = -288/2025 - After reducing the fraction, the answer is -32/225
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