Add 30/15 and 84/98
1st number: 2 0/15, 2nd number: 84/98
30/15 + 84/98 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 15 × 98 = 1470,
30/15 = 30 × 98/15 × 98 = 2940/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
84/98 = 84 × 15/98 × 15 = 1260/1470 - Add the two like fractions:
2940/1470 + 1260/1470 = 2940 + 1260/1470 = 4200/1470 - 4200/1470 simplified gives 20/7
- So, 30/15 + 84/98 = 20/7
In mixed form: 26/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+84/98 90/15+84/98 30/45+84/98 30/75+84/98