Answers

Add 54/18 and 90/27

1^st number: 3 0/18, 2^nd number: 3 9/27

54/18 + 90/27 is 19/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 27 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 18 × 3 = 54,
   54/18 = 54 × 3/18 × 3 = 162/54
3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
   90/27 = 90 × 2/27 × 2 = 180/54
4. Add the two like fractions:
   162/54 + 180/54 = 162 + 180/54 = 342/54
5. 342/54 simplified gives 19/3
6. So, 54/18 + 90/27 = 19/3
   In mixed form: 61/3

MathStep (Works offline)

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

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

Add Fractions Calculator