Answers

Add 84/42 and 20/98

1^st number: 2 0/42, 2^nd number: 20/98

84/42 + 20/98 is 108/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 98 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   84/42 = 84 × 7/42 × 7 = 588/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   20/98 = 20 × 3/98 × 3 = 60/294
4. Add the two like fractions:
   588/294 + 60/294 = 588 + 60/294 = 648/294
5. 648/294 simplified gives 108/49
6. So, 84/42 + 20/98 = 108/49
   In mixed form: 210/49

MathStep (Works offline)

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

Related: ⁸⁴/₄₂+⁴⁰/₉₈ ⁸⁴/₄₂+⁶⁰/₉₈

Add Fractions Calculator