Add 21/3 and 15/98
1st number: 7 0/3, 2nd number: 15/98
21/3 + 15/98 is 701/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 3 × 98 = 294,
21/3 = 21 × 98/3 × 98 = 2058/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
15/98 = 15 × 3/98 × 3 = 45/294 - Add the two like fractions:
2058/294 + 45/294 = 2058 + 45/294 = 2103/294 - 2103/294 simplified gives 701/98
- So, 21/3 + 15/98 = 701/98
In mixed form: 715/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3+15/98 21/3+30/98 21/6+15/98 63/3+15/98 21/3+45/98 21/9+15/98 21/3+75/98 21/15+15/98