Add 18/21 and 75/98
18/21 + 75/98 is 159/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
18/21 = 18 × 14/21 × 14 = 252/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
75/98 = 75 × 3/98 × 3 = 225/294 - Add the two like fractions:
252/294 + 225/294 = 252 + 225/294 = 477/294 - 477/294 simplified gives 159/98
- So, 18/21 + 75/98 = 159/98
In mixed form: 161/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21+75/98 18/42+75/98 54/21+75/98 18/63+75/98 90/21+75/98