Answers

Add 21/90 and 63/90

21/90 + 63/90 is 14/15.

Steps for adding fractions

1. Add the two fractions:
   21/90 + 63/90 = 21 + 63/90 = 84/90
2. 84/90 simplified gives 14/15
3. So, 21/90 + 63/90 = 14/15

MathStep (Works offline)

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

Related: ⁴²/₉₀+⁶³/₉₀ ⁶³/₉₀+⁶³/₉₀

Add Fractions Calculator