Answers

Subtract 40/6 from 54/9

1^st number: 6 0/9, 2^nd number: 6 4/6

54/9 - 40/6 is -2/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 6 is 18
   
   Next, find the equivalent fraction of both fractional numbers with denominator 18
2. For the 1st fraction, since 9 × 2 = 18,
   54/9 = 54 × 2/9 × 2 = 108/18
3. Likewise, for the 2nd fraction, since 6 × 3 = 18,
   40/6 = 40 × 3/6 × 3 = 120/18
4. Subtract the two like fractions:
   108/18 - 120/18 = 108 - 120/18 = -12/18
5. After reducing the fraction, the answer is -2/3

MathStep (Works offline)

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

Related: ⁵⁴/₉-⁸⁰/₆ ⁵⁴/₁₈-⁴⁰/₆ ⁵⁴/₉-⁴⁰/₁₂ ⁵⁴/₂₇-⁴⁰/₆ ⁵⁴/₉-⁴⁰/₁₈ ⁵⁴/₄₅-⁴⁰/₆ ⁵⁴/₉-⁴⁰/₃₀ ⁵⁴/₆₃-⁴⁰/₆ ⁵⁴/₉-⁴⁰/₄₂

Subtract Fractions Calculator