Answers

Subtract 40/6 from 15/12

1^st number: 1 3/12, 2^nd number: 6 4/6

15/12 - 40/6 is -65/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 6 is 12
   
   Next, find the equivalent fraction of both fractional numbers with denominator 12
2. For the 1st fraction, since 12 × 1 = 12,
   15/12 = 15 × 1/12 × 1 = 15/12
3. Likewise, for the 2nd fraction, since 6 × 2 = 12,
   40/6 = 40 × 2/6 × 2 = 80/12
4. Subtract the two like fractions:
   15/12 - 80/12 = 15 - 80/12 = -65/12

MathStep (Works offline)

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

Related: ³⁰/₁₂-⁴⁰/₆ ¹⁵/₁₂-⁸⁰/₆ ¹⁵/₂₄-⁴⁰/₆ ¹⁵/₁₂-⁴⁰/₁₂ ⁴⁵/₁₂-⁴⁰/₆ ¹⁵/₃₆-⁴⁰/₆ ¹⁵/₁₂-⁴⁰/₁₈ ⁷⁵/₁₂-⁴⁰/₆ ¹⁵/₆₀-⁴⁰/₆ ¹⁵/₁₂-⁴⁰/₃₀ ¹⁵/₈₄-⁴⁰/₆ ¹⁵/₁₂-⁴⁰/₄₂

Subtract Fractions Calculator