Answers

Subtract 15/20 from 50/75

50/75 - 15/20 is -1/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 20 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   50/75 = 50 × 4/75 × 4 = 200/300
3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
   15/20 = 15 × 15/20 × 15 = 225/300
4. Subtract the two like fractions:
   200/300 - 225/300 = 200 - 225/300 = -25/300
5. After reducing the fraction, the answer is -1/12

MathStep (Works offline)

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

Related: ⁵⁰/₇₅-³⁰/₂₀ ⁵⁰/₇₅-¹⁵/₄₀ ⁵⁰/₇₅-⁴⁵/₂₀ ⁵⁰/₇₅-¹⁵/₆₀ ⁵⁰/₇₅-⁷⁵/₂₀

Subtract Fractions Calculator