Answers

Subtract 45/20 from 21/20

1^st number: 1 1/20, 2^nd number: 2 5/20

21/20 - 45/20 is -6/5.

Steps for subtracting fractions

1. Subtract the two fractions:
   21/20 - 45/20 = 21 - 45/20 = -24/20
2. After reducing the fraction, the answer is -6/5

MathStep (Works offline)

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

Related: ⁴²/₂₀-⁴⁵/₂₀ ²¹/₂₀-⁹⁰/₂₀ ²¹/₄₀-⁴⁵/₂₀ ²¹/₂₀-⁴⁵/₄₀ ⁶³/₂₀-⁴⁵/₂₀ ²¹/₆₀-⁴⁵/₂₀ ²¹/₂₀-⁴⁵/₆₀

Subtract Fractions Calculator