Answers

Add 28/45 and 84/54

1^st number: 28/45, 2^nd number: 1 30/54

28/45 + 84/54 is 98/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 45 × 6 = 270,
   28/45 = 28 × 6/45 × 6 = 168/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   84/54 = 84 × 5/54 × 5 = 420/270
4. Add the two like fractions:
   168/270 + 420/270 = 168 + 420/270 = 588/270
5. 588/270 simplified gives 98/45
6. So, 28/45 + 84/54 = 98/45
   In mixed form: 28/45

MathStep (Works offline)

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

Related: ⁵⁶/₄₅+⁸⁴/₅₄ ²⁸/₉₀+⁸⁴/₅₄ ⁸⁴/₄₅+⁸⁴/₅₄

Add Fractions Calculator