Answers

Add 9/15 and 28/27

1^st number: 9/15, 2^nd number: 1 1/27

9/15 + 28/27 is 221/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 27 is 135
   
   Next, find the equivalent fraction of both fractional numbers with denominator 135
2. For the 1st fraction, since 15 × 9 = 135,
   9/15 = 9 × 9/15 × 9 = 81/135
3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
   28/27 = 28 × 5/27 × 5 = 140/135
4. Add the two like fractions:
   81/135 + 140/135 = 81 + 140/135 = 221/135
5. So, 9/15 + 28/27 = 221/135
   In mixed form: 186/135

MathStep (Works offline)

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

Related: ¹⁸/₁₅+²⁸/₂₇ ⁹/₁₅+⁵⁶/₂₇ ⁹/₃₀+²⁸/₂₇ ⁹/₁₅+²⁸/₅₄ ²⁷/₁₅+²⁸/₂₇ ⁹/₁₅+⁸⁴/₂₇ ⁹/₄₅+²⁸/₂₇ ⁹/₁₅+²⁸/₈₁ ⁴⁵/₁₅+²⁸/₂₇ ⁹/₇₅+²⁸/₂₇ ⁶³/₁₅+²⁸/₂₇

Add Fractions Calculator