Add 21/98 and 7/3
1st number: 21/98, 2nd number: 2 1/3
21/98 + 7/3 is 107/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 3 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294 - Likewise, for the 2nd fraction, since 3 × 98 = 294,
7/3 = 7 × 98/3 × 98 = 686/294 - Add the two like fractions:
63/294 + 686/294 = 63 + 686/294 = 749/294 - 749/294 simplified gives 107/42
- So, 21/98 + 7/3 = 107/42
In mixed form: 223/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+7/3 21/98+14/3 21/98+7/6 63/98+7/3 21/98+21/3 21/98+7/9 21/98+35/3 21/98+7/15 21/98+49/3 21/98+7/21