Answers

Add 28/45 and 98/60

1^st number: 28/45, 2^nd number: 1 38/60

28/45 + 98/60 is 203/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   28/45 = 28 × 4/45 × 4 = 112/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   98/60 = 98 × 3/60 × 3 = 294/180
4. Add the two like fractions:
   112/180 + 294/180 = 112 + 294/180 = 406/180
5. 406/180 simplified gives 203/90
6. So, 28/45 + 98/60 = 203/90
   In mixed form: 223/90

MathStep (Works offline)

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

Related: ⁵⁶/₄₅+⁹⁸/₆₀ ²⁸/₉₀+⁹⁸/₆₀ ⁸⁴/₄₅+⁹⁸/₆₀

Add Fractions Calculator