Answers

Add 80/27 and 90/80

1^st number: 2 26/27, 2^nd number: 1 10/80

80/27 + 90/80 is 883/216.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 27 × 80 = 2160,
   80/27 = 80 × 80/27 × 80 = 6400/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   90/80 = 90 × 27/80 × 27 = 2430/2160
4. Add the two like fractions:
   6400/2160 + 2430/2160 = 6400 + 2430/2160 = 8830/2160
5. 8830/2160 simplified gives 883/216
6. So, 80/27 + 90/80 = 883/216
   In mixed form: 419/216

MathStep (Works offline)

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

Related: ⁸⁰/₅₄+⁹⁰/₈₀ ⁸⁰/₈₁+⁹⁰/₈₀

Add Fractions Calculator