Answers

Add 80/84 and 84/27

1^st number: 80/84, 2^nd number: 3 3/27

80/84 + 84/27 is 256/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   80/84 = 80 × 9/84 × 9 = 720/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   84/27 = 84 × 28/27 × 28 = 2352/756
4. Add the two like fractions:
   720/756 + 2352/756 = 720 + 2352/756 = 3072/756
5. 3072/756 simplified gives 256/63
6. So, 80/84 + 84/27 = 256/63
   In mixed form: 44/63

MathStep (Works offline)

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

Related: ⁸⁰/₈₄+⁸⁴/₅₄ ⁸⁰/₈₄+⁸⁴/₈₁

Add Fractions Calculator