Answers

Add 15/18 and 21/18

1^st number: 15/18, 2^nd number: 1 3/18

15/18 + 21/18 is 2/1.

Steps for adding fractions

1. Add the two fractions:
   15/18 + 21/18 = 15 + 21/18 = 36/18
2. 36/18 simplified gives 2/1
3. So, 15/18 + 21/18 = 2/1

MathStep (Works offline)

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

Related: ³⁰/₁₈+²¹/₁₈ ¹⁵/₁₈+⁴²/₁₈ ¹⁵/₃₆+²¹/₁₈ ¹⁵/₁₈+²¹/₃₆ ⁴⁵/₁₈+²¹/₁₈ ¹⁵/₁₈+⁶³/₁₈ ¹⁵/₅₄+²¹/₁₈ ¹⁵/₁₈+²¹/₅₄ ⁷⁵/₁₈+²¹/₁₈ ¹⁵/₉₀+²¹/₁₈ ¹⁵/₁₈+²¹/₉₀

Add Fractions Calculator