Answers

Add 21/60 and 30/60

21/60 + 30/60 is 17/20.

Steps for adding fractions

1. Add the two fractions:
   21/60 + 30/60 = 21 + 30/60 = 51/60
2. 51/60 simplified gives 17/20
3. So, 21/60 + 30/60 = 17/20

MathStep (Works offline)

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

Related: ⁴²/₆₀+³⁰/₆₀ ⁶³/₆₀+³⁰/₆₀ ²¹/₆₀+⁹⁰/₆₀

Add Fractions Calculator