Answers

Add 72/80 and 45/80

72/80 + 45/80 is 117/80.

Steps for adding fractions

1. Add the two fractions:
   72/80 + 45/80 = 72 + 45/80 = 117/80
2. So, 72/80 + 45/80 = 117/80
   In mixed form: 137/80

MathStep (Works offline)

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

Related: ⁷²/₈₀+⁹⁰/₈₀

Add Fractions Calculator