Add 98/15 and 20/9
1st number: 6 8/15, 2nd number: 2 2/9
98/15 + 20/9 is 394/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
98/15 = 98 × 3/15 × 3 = 294/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
20/9 = 20 × 5/9 × 5 = 100/45 - Add the two like fractions:
294/45 + 100/45 = 294 + 100/45 = 394/45 - So, 98/15 + 20/9 = 394/45
In mixed form: 834/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15+40/9 98/30+20/9 98/15+20/18 98/15+60/9 98/45+20/9 98/15+20/27 98/75+20/9 98/15+20/45 98/15+20/63