Answers

Subtract 2/25 from 5/81

5/81 - 2/25 is -37/2025.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 81 × 25 = 2025,
   5/81 = 5 × 25/81 × 25 = 125/2025
3. Likewise, for the 2nd fraction, since 25 × 81 = 2025,
   2/25 = 2 × 81/25 × 81 = 162/2025
4. Subtract the two like fractions:
   125/2025 - 162/2025 = 125 - 162/2025 = -37/2025

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ¹⁰/₈₁-²/₂₅ ⁵/₈₁-⁴/₂₅ ⁵/₈₁-²/₅₀ ¹⁵/₈₁-²/₂₅ ⁵/₈₁-⁶/₂₅ ⁵/₈₁-²/₇₅ ²⁵/₈₁-²/₂₅ ⁵/₈₁-¹⁰/₂₅ ³⁵/₈₁-²/₂₅ ⁵/₈₁-¹⁴/₂₅

Subtract Fractions Calculator