Answers

Add 81/45 and 50/28

1^st number: 1 36/45, 2^nd number: 1 22/28

81/45 + 50/28 is 251/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 28 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 45 × 28 = 1260,
   81/45 = 81 × 28/45 × 28 = 2268/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   50/28 = 50 × 45/28 × 45 = 2250/1260
4. Add the two like fractions:
   2268/1260 + 2250/1260 = 2268 + 2250/1260 = 4518/1260
5. 4518/1260 simplified gives 251/70
6. So, 81/45 + 50/28 = 251/70
   In mixed form: 341/70

MathStep (Works offline)

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

Related: ⁸¹/₉₀+⁵⁰/₂₈ ⁸¹/₄₅+⁵⁰/₅₆ ⁸¹/₄₅+⁵⁰/₈₄

Add Fractions Calculator