Add 30/18 and 12/16
1st number: 1 12/18, 2nd number: 12/16
30/18 + 12/16 is 29/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
30/18 = 30 × 8/18 × 8 = 240/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
12/16 = 12 × 9/16 × 9 = 108/144 - Add the two like fractions:
240/144 + 108/144 = 240 + 108/144 = 348/144 - 348/144 simplified gives 29/12
- So, 30/18 + 12/16 = 29/12
In mixed form: 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+12/16 30/18+24/16 30/36+12/16 30/18+12/32 90/18+12/16 30/18+36/16 30/54+12/16 30/18+12/48 30/18+60/16 30/90+12/16 30/18+12/80 30/18+84/16