Answers

Subtract 54/20 from 50/15

1^st number: 3 5/15, 2^nd number: 2 14/20

50/15 - 54/20 is 19/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 20 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   50/15 = 50 × 4/15 × 4 = 200/60
3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
   54/20 = 54 × 3/20 × 3 = 162/60
4. Subtract the two like fractions:
   200/60 - 162/60 = 200 - 162/60 = 38/60
5. After reducing the fraction, the answer is 19/30

MathStep (Works offline)

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

Related: ⁵⁰/₃₀-⁵⁴/₂₀ ⁵⁰/₁₅-⁵⁴/₄₀ ⁵⁰/₄₅-⁵⁴/₂₀ ⁵⁰/₁₅-⁵⁴/₆₀ ⁵⁰/₇₅-⁵⁴/₂₀

Subtract Fractions Calculator