Answers

Add 15/40 and 27/40

15/40 + 27/40 is 21/20.

Steps for adding fractions

1. Add the two fractions:
   15/40 + 27/40 = 15 + 27/40 = 42/40
2. 42/40 simplified gives 21/20
3. So, 15/40 + 27/40 = 21/20
   In mixed form: 11/20

MathStep (Works offline)

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

Related: ³⁰/₄₀+²⁷/₄₀ ¹⁵/₄₀+⁵⁴/₄₀ ¹⁵/₈₀+²⁷/₄₀ ¹⁵/₄₀+²⁷/₈₀ ⁴⁵/₄₀+²⁷/₄₀ ¹⁵/₄₀+⁸¹/₄₀ ⁷⁵/₄₀+²⁷/₄₀

Add Fractions Calculator