Answers

Subtract 10/81 from 2/75

2/75 - 10/81 is -196/2025.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 75 × 27 = 2025,
   2/75 = 2 × 27/75 × 27 = 54/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   10/81 = 10 × 25/81 × 25 = 250/2025
4. Subtract the two like fractions:
   54/2025 - 250/2025 = 54 - 250/2025 = -196/2025

MathStep (Works offline)

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

Related: ⁴/₇₅-¹⁰/₈₁ ²/₇₅-²⁰/₈₁ ⁶/₇₅-¹⁰/₈₁ ²/₇₅-³⁰/₈₁ ¹⁰/₇₅-¹⁰/₈₁ ²/₇₅-⁵⁰/₈₁ ¹⁴/₇₅-¹⁰/₈₁ ²/₇₅-⁷⁰/₈₁

Subtract Fractions Calculator