Answers

Subtract 81/16 from 10/36

1^st number: 10/36, 2^nd number: 5 1/16

10/36 - 81/16 is -689/144.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 16 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 36 × 4 = 144,
   10/36 = 10 × 4/36 × 4 = 40/144
3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
   81/16 = 81 × 9/16 × 9 = 729/144
4. Subtract the two like fractions:
   40/144 - 729/144 = 40 - 729/144 = -689/144

MathStep (Works offline)

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

Related: ²⁰/₃₆-⁸¹/₁₆ ¹⁰/₇₂-⁸¹/₁₆ ¹⁰/₃₆-⁸¹/₃₂ ³⁰/₃₆-⁸¹/₁₆ ¹⁰/₃₆-⁸¹/₄₈ ⁵⁰/₃₆-⁸¹/₁₆ ¹⁰/₃₆-⁸¹/₈₀ ⁷⁰/₃₆-⁸¹/₁₆

Subtract Fractions Calculator