Answers

Subtract 4/10 from 6/20

6/20 - 4/10 is -1/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   6/20 = 6 × 1/20 × 1 = 6/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   4/10 = 4 × 2/10 × 2 = 8/20
4. Subtract the two like fractions:
   6/20 - 8/20 = 6 - 8/20 = -2/20
5. After reducing the fraction, the answer is -1/10

MathStep (Works offline)

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

Related: ¹²/₂₀-⁴/₁₀ ⁶/₂₀-⁸/₁₀ ⁶/₄₀-⁴/₁₀ ⁶/₂₀-⁴/₂₀ ¹⁸/₂₀-⁴/₁₀ ⁶/₂₀-¹²/₁₀ ⁶/₆₀-⁴/₁₀ ⁶/₂₀-⁴/₃₀ ³⁰/₂₀-⁴/₁₀ ⁶/₂₀-²⁰/₁₀ ⁶/₂₀-⁴/₅₀ ⁴²/₂₀-⁴/₁₀ ⁶/₂₀-²⁸/₁₀ ⁶/₂₀-⁴/₇₀

Subtract Fractions Calculator