Add 18/16 and 30/18
1st number: 1 2/16, 2nd number: 1 12/18
18/16 + 30/18 is 67/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 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 18 × 8 = 144,
30/18 = 30 × 8/18 × 8 = 240/144 - Add the two like fractions:
162/144 + 240/144 = 162 + 240/144 = 402/144 - 402/144 simplified gives 67/24
- So, 18/16 + 30/18 = 67/24
In mixed form: 219/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16+30/18 18/16+60/18 18/32+30/18 18/16+30/36 54/16+30/18 18/16+90/18 18/48+30/18 18/16+30/54 90/16+30/18 18/80+30/18 18/16+30/90