Answers

Subtract 9/4 from 35/81

1^st number: 35/81, 2^nd number: 2 1/4

35/81 - 9/4 is -589/324.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 4 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 81 × 4 = 324,
   35/81 = 35 × 4/81 × 4 = 140/324
3. Likewise, for the 2nd fraction, since 4 × 81 = 324,
   9/4 = 9 × 81/4 × 81 = 729/324
4. Subtract the two like fractions:
   140/324 - 729/324 = 140 - 729/324 = -589/324

MathStep (Works offline)

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

Related: ⁷⁰/₈₁-⁹/₄ ³⁵/₈₁-¹⁸/₄ ³⁵/₈₁-⁹/₈ ³⁵/₈₁-²⁷/₄ ³⁵/₈₁-⁹/₁₂ ³⁵/₈₁-⁴⁵/₄ ³⁵/₈₁-⁹/₂₀ ³⁵/₈₁-⁶³/₄ ³⁵/₈₁-⁹/₂₈

Subtract Fractions Calculator