Answers

Subtract 98/16 from 5/81

1^st number: 5/81, 2^nd number: 6 2/16

5/81 - 98/16 is -3929/648.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 16 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 81 × 16 = 1296,
   5/81 = 5 × 16/81 × 16 = 80/1296
3. Likewise, for the 2nd fraction, since 16 × 81 = 1296,
   98/16 = 98 × 81/16 × 81 = 7938/1296
4. Subtract the two like fractions:
   80/1296 - 7938/1296 = 80 - 7938/1296 = -7858/1296
5. After reducing the fraction, the answer is -3929/648

MathStep (Works offline)

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

Related: ¹⁰/₈₁-⁹⁸/₁₆ ⁵/₈₁-⁹⁸/₃₂ ¹⁵/₈₁-⁹⁸/₁₆ ⁵/₈₁-⁹⁸/₄₈ ²⁵/₈₁-⁹⁸/₁₆ ⁵/₈₁-⁹⁸/₈₀ ³⁵/₈₁-⁹⁸/₁₆

Subtract Fractions Calculator