Add 18/98 and 6/21
18/98 + 6/21 is 23/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
18/98 = 18 × 3/98 × 3 = 54/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
6/21 = 6 × 14/21 × 14 = 84/294 - Add the two like fractions:
54/294 + 84/294 = 54 + 84/294 = 138/294 - 138/294 simplified gives 23/49
- So, 18/98 + 6/21 = 23/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/98+6/21 18/98+12/21 18/98+6/42 54/98+6/21 18/98+18/21 18/98+6/63 90/98+6/21 18/98+30/21 18/98+42/21