Answers

Add 80/75 and 27/84

1^st number: 1 5/75, 2^nd number: 27/84

80/75 + 27/84 is 583/420.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   80/75 = 80 × 28/75 × 28 = 2240/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   27/84 = 27 × 25/84 × 25 = 675/2100
4. Add the two like fractions:
   2240/2100 + 675/2100 = 2240 + 675/2100 = 2915/2100
5. 2915/2100 simplified gives 583/420
6. So, 80/75 + 27/84 = 583/420
   In mixed form: 1163/420

MathStep (Works offline)

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

Related: ⁸⁰/₇₅+⁵⁴/₈₄ ⁸⁰/₇₅+⁸¹/₈₄

Add Fractions Calculator