Answers

Subtract 20/40 from 50/25

1^st number: 2 0/25, 2^nd number: 20/40

50/25 - 20/40 is 3/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 40 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 25 × 8 = 200,
   50/25 = 50 × 8/25 × 8 = 400/200
3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
   20/40 = 20 × 5/40 × 5 = 100/200
4. Subtract the two like fractions:
   400/200 - 100/200 = 400 - 100/200 = 300/200
5. After reducing the fraction, the answer is 3/2
6. In mixed form: 11/2

MathStep (Works offline)

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

Related: ⁵⁰/₂₅-²⁰/₈₀ ⁵⁰/₂₅-⁶⁰/₄₀ ⁵⁰/₇₅-²⁰/₄₀

Subtract Fractions Calculator