Add 80/21 and 3/98
1st number: 3 17/21, 2nd number: 3/98
80/21 + 3/98 is 1129/294.
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,
80/21 = 80 × 14/21 × 14 = 1120/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
3/98 = 3 × 3/98 × 3 = 9/294 - Add the two like fractions:
1120/294 + 9/294 = 1120 + 9/294 = 1129/294 - So, 80/21 + 3/98 = 1129/294
In mixed form: 3247/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21+6/98 80/42+3/98 80/21+9/98 80/63+3/98 80/21+15/98 80/21+21/98