Answers

Subtract 45/81 from 98/4

1^st number: 24 2/4, 2^nd number: 45/81

98/4 - 45/81 is 431/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 4 × 81 = 324,
   98/4 = 98 × 81/4 × 81 = 7938/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   45/81 = 45 × 4/81 × 4 = 180/324
4. Subtract the two like fractions:
   7938/324 - 180/324 = 7938 - 180/324 = 7758/324
5. After reducing the fraction, the answer is 431/18
6. In mixed form: 2317/18

MathStep (Works offline)

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

Related: ⁹⁸/₄-⁹⁰/₈₁ ⁹⁸/₈-⁴⁵/₈₁ ⁹⁸/₁₂-⁴⁵/₈₁ ⁹⁸/₂₀-⁴⁵/₈₁ ⁹⁸/₂₈-⁴⁵/₈₁

Subtract Fractions Calculator