Answers

Subtract 1/81 from 10/9

1^st number: 1 1/9, 2^nd number: 1/81

10/9 - 1/81 is 89/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 9 × 9 = 81,
   10/9 = 10 × 9/9 × 9 = 90/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   1/81 = 1 × 1/81 × 1 = 1/81
4. Subtract the two like fractions:
   90/81 - 1/81 = 90 - 1/81 = 89/81
5. In mixed form: 18/81

MathStep (Works offline)

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

Related: ²⁰/₉-¹/₈₁ ¹⁰/₉-²/₈₁ ¹⁰/₁₈-¹/₈₁ ³⁰/₉-¹/₈₁ ¹⁰/₉-³/₈₁ ¹⁰/₂₇-¹/₈₁ ⁵⁰/₉-¹/₈₁ ¹⁰/₉-⁵/₈₁ ¹⁰/₄₅-¹/₈₁ ⁷⁰/₉-¹/₈₁ ¹⁰/₉-⁷/₈₁ ¹⁰/₆₃-¹/₈₁

Subtract Fractions Calculator