Answers

Subtract 15/50 from 2/40

2/40 - 15/50 is -1/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 50 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 40 × 5 = 200,
   2/40 = 2 × 5/40 × 5 = 10/200
3. Likewise, for the 2nd fraction, since 50 × 4 = 200,
   15/50 = 15 × 4/50 × 4 = 60/200
4. Subtract the two like fractions:
   10/200 - 60/200 = 10 - 60/200 = -50/200
5. After reducing the fraction, the answer is -1/4

MathStep (Works offline)

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

Related: ⁴/₄₀-¹⁵/₅₀ ²/₄₀-³⁰/₅₀ ²/₈₀-¹⁵/₅₀ ⁶/₄₀-¹⁵/₅₀ ²/₄₀-⁴⁵/₅₀ ¹⁰/₄₀-¹⁵/₅₀ ²/₄₀-⁷⁵/₅₀ ¹⁴/₄₀-¹⁵/₅₀

Subtract Fractions Calculator