Answers

Subtract 40/6 from 15/84

1^st number: 15/84, 2^nd number: 6 4/6

15/84 - 40/6 is -545/84.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 6 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   15/84 = 15 × 1/84 × 1 = 15/84
3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
   40/6 = 40 × 14/6 × 14 = 560/84
4. Subtract the two like fractions:
   15/84 - 560/84 = 15 - 560/84 = -545/84

MathStep (Works offline)

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

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

Subtract Fractions Calculator