Answers

Subtract 40/14 from 20/9

1^st number: 2 2/9, 2^nd number: 2 12/14

20/9 - 40/14 is -40/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 14 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 9 × 14 = 126,
   20/9 = 20 × 14/9 × 14 = 280/126
3. Likewise, for the 2nd fraction, since 14 × 9 = 126,
   40/14 = 40 × 9/14 × 9 = 360/126
4. Subtract the two like fractions:
   280/126 - 360/126 = 280 - 360/126 = -80/126
5. After reducing the fraction, the answer is -40/63

MathStep (Works offline)

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

Related: ⁴⁰/₉-⁴⁰/₁₄ ²⁰/₉-⁸⁰/₁₄ ²⁰/₁₈-⁴⁰/₁₄ ²⁰/₉-⁴⁰/₂₈ ⁶⁰/₉-⁴⁰/₁₄ ²⁰/₂₇-⁴⁰/₁₄ ²⁰/₉-⁴⁰/₄₂ ²⁰/₄₅-⁴⁰/₁₄ ²⁰/₉-⁴⁰/₇₀ ²⁰/₆₃-⁴⁰/₁₄ ²⁰/₉-⁴⁰/₉₈

Subtract Fractions Calculator