Answers

Subtract 45/80 from 20/80

20/80 - 45/80 is -5/16.

Steps for subtracting fractions

1. Subtract the two fractions:
   20/80 - 45/80 = 20 - 45/80 = -25/80
2. After reducing the fraction, the answer is -5/16

MathStep (Works offline)

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

Related: ⁴⁰/₈₀-⁴⁵/₈₀ ²⁰/₈₀-⁹⁰/₈₀ ⁶⁰/₈₀-⁴⁵/₈₀

Subtract Fractions Calculator