Subtract 3/81 from 10/25
10/25 - 3/81 is 49/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 25 × 81 = 2025,
10/25 = 10 × 81/25 × 81 = 810/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
3/81 = 3 × 25/81 × 25 = 75/2025 - Subtract the two like fractions:
810/2025 - 75/2025 = 810 - 75/2025 = 735/2025 - After reducing the fraction, the answer is 49/135
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