Add 21/98 and 6/7
21/98 + 6/7 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 7 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
21/98 = 21 × 1/98 × 1 = 21/98 - Likewise, for the 2nd fraction, since 7 × 14 = 98,
6/7 = 6 × 14/7 × 14 = 84/98 - Add the two like fractions:
21/98 + 84/98 = 21 + 84/98 = 105/98 - 105/98 simplified gives 15/14
- So, 21/98 + 6/7 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+6/7 21/98+12/7 21/98+6/14 63/98+6/7 21/98+18/7 21/98+6/21 21/98+30/7 21/98+6/35 21/98+42/7 21/98+6/49