Subtract 9/25 from 2/81
2/81 - 9/25 is -679/2025.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 25 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 81 × 25 = 2025,
2/81 = 2 × 25/81 × 25 = 50/2025 - Likewise, for the 2nd fraction, since 25 × 81 = 2025,
9/25 = 9 × 81/25 × 81 = 729/2025 - Subtract the two like fractions:
50/2025 - 729/2025 = 50 - 729/2025 = -679/2025
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