Add 80/42 and 15/98
1st number: 1 38/42, 2nd number: 15/98
80/42 + 15/98 is 605/294.
Steps for adding fractions
- 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 - For the 1st fraction, since 42 × 7 = 294,
80/42 = 80 × 7/42 × 7 = 560/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
15/98 = 15 × 3/98 × 3 = 45/294 - Add the two like fractions:
560/294 + 45/294 = 560 + 45/294 = 605/294 - So, 80/42 + 15/98 = 605/294
In mixed form: 217/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+30/98 80/84+15/98 80/42+45/98 80/42+75/98