Answers

Subtract 10/81 from 98/45

1^st number: 2 8/45, 2^nd number: 10/81

98/45 - 10/81 is 832/405.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 45 × 9 = 405,
   98/45 = 98 × 9/45 × 9 = 882/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   10/81 = 10 × 5/81 × 5 = 50/405
4. Subtract the two like fractions:
   882/405 - 50/405 = 882 - 50/405 = 832/405
5. In mixed form: 222/405

MathStep (Works offline)

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

Related: ⁹⁸/₄₅-²⁰/₈₁ ⁹⁸/₉₀-¹⁰/₈₁ ⁹⁸/₄₅-³⁰/₈₁ ⁹⁸/₄₅-⁵⁰/₈₁ ⁹⁸/₄₅-⁷⁰/₈₁

Subtract Fractions Calculator