Add 21/98 and 49/15
1st number: 21/98, 2nd number: 3 4/15
21/98 + 49/15 is 731/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
21/98 = 21 × 15/98 × 15 = 315/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
49/15 = 49 × 98/15 × 98 = 4802/1470 - Add the two like fractions:
315/1470 + 4802/1470 = 315 + 4802/1470 = 5117/1470 - 5117/1470 simplified gives 731/210
- So, 21/98 + 49/15 = 731/210
In mixed form: 3101/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+49/15 21/98+98/15 21/98+49/30 63/98+49/15 21/98+49/45 21/98+49/75