Answers

Add 18/80 and 3/80

18/80 + 3/80 is 21/80.

Steps for adding fractions

1. Add the two fractions:
   18/80 + 3/80 = 18 + 3/80 = 21/80
2. So, 18/80 + 3/80 = 21/80

MathStep (Works offline)

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

Related: ³⁶/₈₀+³/₈₀ ¹⁸/₈₀+⁶/₈₀ ⁵⁴/₈₀+³/₈₀ ¹⁸/₈₀+⁹/₈₀ ⁹⁰/₈₀+³/₈₀ ¹⁸/₈₀+¹⁵/₈₀ ¹⁸/₈₀+²¹/₈₀

Add Fractions Calculator