Answers

Add 45/84 and 80/49

1^st number: 45/84, 2^nd number: 1 31/49

45/84 + 80/49 is 425/196.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 49 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 84 × 7 = 588,
   45/84 = 45 × 7/84 × 7 = 315/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   80/49 = 80 × 12/49 × 12 = 960/588
4. Add the two like fractions:
   315/588 + 960/588 = 315 + 960/588 = 1275/588
5. 1275/588 simplified gives 425/196
6. So, 45/84 + 80/49 = 425/196
   In mixed form: 233/196

MathStep (Works offline)

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

Related: ⁹⁰/₈₄+⁸⁰/₄₉ ⁴⁵/₈₄+⁸⁰/₉₈

Add Fractions Calculator