Answers

Add 21/45 and 42/45

21/45 + 42/45 is 7/5.

Steps for adding fractions

1. Add the two fractions:
   21/45 + 42/45 = 21 + 42/45 = 63/45
2. 63/45 simplified gives 7/5
3. So, 21/45 + 42/45 = 7/5
   In mixed form: 12/5

MathStep (Works offline)

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

Related: ⁴²/₄₅+⁴²/₄₅ ²¹/₄₅+⁸⁴/₄₅ ²¹/₉₀+⁴²/₄₅ ²¹/₄₅+⁴²/₉₀ ⁶³/₄₅+⁴²/₄₅

Add Fractions Calculator