Answers

Subtract 25/8 from 1/36

1^st number: 1/36, 2^nd number: 3 1/8

1/36 - 25/8 is -223/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 8 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 36 × 2 = 72,
   1/36 = 1 × 2/36 × 2 = 2/72
3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
   25/8 = 25 × 9/8 × 9 = 225/72
4. Subtract the two like fractions:
   2/72 - 225/72 = 2 - 225/72 = -223/72

MathStep (Works offline)

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

Related: ²/₃₆-²⁵/₈ ¹/₃₆-⁵⁰/₈ ¹/₇₂-²⁵/₈ ¹/₃₆-²⁵/₁₆ ³/₃₆-²⁵/₈ ¹/₃₆-⁷⁵/₈ ¹/₃₆-²⁵/₂₄ ⁵/₃₆-²⁵/₈ ¹/₃₆-²⁵/₄₀ ⁷/₃₆-²⁵/₈ ¹/₃₆-²⁵/₅₆

Subtract Fractions Calculator