Answers

Subtract 10/4 from 4/80

1^st number: 4/80, 2^nd number: 2 2/4

4/80 - 10/4 is -49/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 4 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   4/80 = 4 × 1/80 × 1 = 4/80
3. Likewise, for the 2nd fraction, since 4 × 20 = 80,
   10/4 = 10 × 20/4 × 20 = 200/80
4. Subtract the two like fractions:
   4/80 - 200/80 = 4 - 200/80 = -196/80
5. After reducing the fraction, the answer is -49/20

MathStep (Works offline)

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

Related: ⁸/₈₀-¹⁰/₄ ⁴/₈₀-²⁰/₄ ⁴/₈₀-¹⁰/₈ ¹²/₈₀-¹⁰/₄ ⁴/₈₀-³⁰/₄ ⁴/₈₀-¹⁰/₁₂ ²⁰/₈₀-¹⁰/₄ ⁴/₈₀-⁵⁰/₄ ⁴/₈₀-¹⁰/₂₀ ²⁸/₈₀-¹⁰/₄ ⁴/₈₀-⁷⁰/₄ ⁴/₈₀-¹⁰/₂₈

Subtract Fractions Calculator