Add 98/12 and 3/9
1st number: 8 2/12, 2nd number: 3/9
98/12 + 3/9 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
98/12 = 98 × 3/12 × 3 = 294/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
3/9 = 3 × 4/9 × 4 = 12/36 - Add the two like fractions:
294/36 + 12/36 = 294 + 12/36 = 306/36 - 306/36 simplified gives 17/2
- So, 98/12 + 3/9 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+6/9 98/24+3/9 98/12+3/18 98/36+3/9 98/12+3/27 98/12+15/9 98/60+3/9 98/12+3/45 98/12+21/9 98/84+3/9 98/12+3/63