Answers

Add 45/70 and 12/70

45/70 + 12/70 is 57/70.

Steps for adding fractions

1. Add the two fractions:
   45/70 + 12/70 = 45 + 12/70 = 57/70
2. So, 45/70 + 12/70 = 57/70

MathStep (Works offline)

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

Related: ⁹⁰/₇₀+¹²/₇₀ ⁴⁵/₇₀+²⁴/₇₀ ⁴⁵/₇₀+³⁶/₇₀ ⁴⁵/₇₀+⁶⁰/₇₀ ⁴⁵/₇₀+⁸⁴/₇₀

Add Fractions Calculator