Answers

Add 90/21 and 15/21

1^st number: 4 6/21, 2^nd number: 15/21

90/21 + 15/21 is 5/1.

Steps for adding fractions

1. Add the two fractions:
   90/21 + 15/21 = 90 + 15/21 = 105/21
2. 105/21 simplified gives 5/1
3. So, 90/21 + 15/21 = 5/1

MathStep (Works offline)

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

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

Add Fractions Calculator