Answers

Subtract 21/18 from 4/18

1^st number: 4/18, 2^nd number: 1 3/18

4/18 - 21/18 is -17/18.

Steps for subtracting fractions

1. Subtract the two fractions:
   4/18 - 21/18 = 4 - 21/18 = -17/18

MathStep (Works offline)

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

Related: ⁸/₁₈-²¹/₁₈ ⁴/₁₈-⁴²/₁₈ ⁴/₃₆-²¹/₁₈ ⁴/₁₈-²¹/₃₆ ¹²/₁₈-²¹/₁₈ ⁴/₁₈-⁶³/₁₈ ⁴/₅₄-²¹/₁₈ ⁴/₁₈-²¹/₅₄ ²⁰/₁₈-²¹/₁₈ ⁴/₉₀-²¹/₁₈ ⁴/₁₈-²¹/₉₀ ²⁸/₁₈-²¹/₁₈

Subtract Fractions Calculator