Answers

Subtract 10/8 from 8/18

1^st number: 8/18, 2^nd number: 1 2/8

8/18 - 10/8 is -29/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 8 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   8/18 = 8 × 4/18 × 4 = 32/72
3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
   10/8 = 10 × 9/8 × 9 = 90/72
4. Subtract the two like fractions:
   32/72 - 90/72 = 32 - 90/72 = -58/72
5. After reducing the fraction, the answer is -29/36

MathStep (Works offline)

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

Related: ¹⁶/₁₈-¹⁰/₈ ⁸/₁₈-²⁰/₈ ⁸/₃₆-¹⁰/₈ ⁸/₁₈-¹⁰/₁₆ ²⁴/₁₈-¹⁰/₈ ⁸/₁₈-³⁰/₈ ⁸/₅₄-¹⁰/₈ ⁸/₁₈-¹⁰/₂₄ ⁴⁰/₁₈-¹⁰/₈ ⁸/₁₈-⁵⁰/₈ ⁸/₉₀-¹⁰/₈ ⁸/₁₈-¹⁰/₄₀ ⁵⁶/₁₈-¹⁰/₈ ⁸/₁₈-⁷⁰/₈ ⁸/₁₈-¹⁰/₅₆

Subtract Fractions Calculator