Answers

Subtract 5/81 from 10/84

10/84 - 5/81 is 65/1134.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 84 × 27 = 2268,
   10/84 = 10 × 27/84 × 27 = 270/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   5/81 = 5 × 28/81 × 28 = 140/2268
4. Subtract the two like fractions:
   270/2268 - 140/2268 = 270 - 140/2268 = 130/2268
5. After reducing the fraction, the answer is 65/1134

MathStep (Works offline)

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

Related: ²⁰/₈₄-⁵/₈₁ ¹⁰/₈₄-¹⁰/₈₁ ³⁰/₈₄-⁵/₈₁ ¹⁰/₈₄-¹⁵/₈₁ ⁵⁰/₈₄-⁵/₈₁ ¹⁰/₈₄-²⁵/₈₁ ⁷⁰/₈₄-⁵/₈₁ ¹⁰/₈₄-³⁵/₈₁

Subtract Fractions Calculator