Answers

Add 81/45 and 18/27

1^st number: 1 36/45, 2^nd number: 18/27

81/45 + 18/27 is 37/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 27 is 135
   
   Next, find the equivalent fraction of both fractional numbers with denominator 135
2. For the 1st fraction, since 45 × 3 = 135,
   81/45 = 81 × 3/45 × 3 = 243/135
3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
   18/27 = 18 × 5/27 × 5 = 90/135
4. Add the two like fractions:
   243/135 + 90/135 = 243 + 90/135 = 333/135
5. 333/135 simplified gives 37/15
6. So, 81/45 + 18/27 = 37/15
   In mixed form: 27/15

MathStep (Works offline)

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

Related: ⁸¹/₄₅+³⁶/₂₇ ⁸¹/₉₀+¹⁸/₂₇ ⁸¹/₄₅+¹⁸/₅₄ ⁸¹/₄₅+⁵⁴/₂₇ ⁸¹/₄₅+¹⁸/₈₁ ⁸¹/₄₅+⁹⁰/₂₇

Add Fractions Calculator