Add 18/16 and 30/9
1st number: 1 2/16, 2nd number: 3 3/9
18/16 + 30/9 is 107/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
30/9 = 30 × 16/9 × 16 = 480/144 - Add the two like fractions:
162/144 + 480/144 = 162 + 480/144 = 642/144 - 642/144 simplified gives 107/24
- So, 18/16 + 30/9 = 107/24
In mixed form: 411/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16+30/9 18/16+60/9 18/32+30/9 18/16+30/18 54/16+30/9 18/16+90/9 18/48+30/9 18/16+30/27 90/16+30/9 18/80+30/9 18/16+30/45 18/16+30/63