Answers

Subtract 40/18 from 5/9

1^st number: 5/9, 2^nd number: 2 4/18

5/9 - 40/18 is -5/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 18 is 18
   
   Next, find the equivalent fraction of both fractional numbers with denominator 18
2. For the 1st fraction, since 9 × 2 = 18,
   5/9 = 5 × 2/9 × 2 = 10/18
3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
   40/18 = 40 × 1/18 × 1 = 40/18
4. Subtract the two like fractions:
   10/18 - 40/18 = 10 - 40/18 = -30/18
5. After reducing the fraction, the answer is -5/3

MathStep (Works offline)

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

Related: ¹⁰/₉-⁴⁰/₁₈ ⁵/₉-⁸⁰/₁₈ ⁵/₁₈-⁴⁰/₁₈ ⁵/₉-⁴⁰/₃₆ ¹⁵/₉-⁴⁰/₁₈ ⁵/₂₇-⁴⁰/₁₈ ⁵/₉-⁴⁰/₅₄ ²⁵/₉-⁴⁰/₁₈ ⁵/₄₅-⁴⁰/₁₈ ⁵/₉-⁴⁰/₉₀ ³⁵/₉-⁴⁰/₁₈ ⁵/₆₃-⁴⁰/₁₈

Subtract Fractions Calculator