Answers

Subtract 10/5 from 5/15

1^st number: 5/15, 2^nd number: 2 0/5

5/15 - 10/5 is -5/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 5 is 15
   
   Next, find the equivalent fraction of both fractional numbers with denominator 15
2. For the 1st fraction, since 15 × 1 = 15,
   5/15 = 5 × 1/15 × 1 = 5/15
3. Likewise, for the 2nd fraction, since 5 × 3 = 15,
   10/5 = 10 × 3/5 × 3 = 30/15
4. Subtract the two like fractions:
   5/15 - 30/15 = 5 - 30/15 = -25/15
5. After reducing the fraction, the answer is -5/3

MathStep (Works offline)

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

Related: ¹⁰/₁₅-¹⁰/₅ ⁵/₁₅-²⁰/₅ ⁵/₃₀-¹⁰/₅ ⁵/₁₅-³⁰/₅ ⁵/₄₅-¹⁰/₅ ⁵/₁₅-¹⁰/₁₅ ²⁵/₁₅-¹⁰/₅ ⁵/₁₅-⁵⁰/₅ ⁵/₇₅-¹⁰/₅ ⁵/₁₅-¹⁰/₂₅ ³⁵/₁₅-¹⁰/₅ ⁵/₁₅-⁷⁰/₅ ⁵/₁₅-¹⁰/₃₅

Subtract Fractions Calculator