Add 18/35 and 30/9
1st number: 18/35, 2nd number: 3 3/9
18/35 + 30/9 is 404/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
18/35 = 18 × 9/35 × 9 = 162/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
30/9 = 30 × 35/9 × 35 = 1050/315 - Add the two like fractions:
162/315 + 1050/315 = 162 + 1050/315 = 1212/315 - 1212/315 simplified gives 404/105
- So, 18/35 + 30/9 = 404/105
In mixed form: 389/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35+30/9 18/35+60/9 18/70+30/9 18/35+30/18 54/35+30/9 18/35+90/9 18/35+30/27 90/35+30/9 18/35+30/45 18/35+30/63