Add 12/18 and 30/14
1st number: 12/18, 2nd number: 2 2/14
12/18 + 30/14 is 59/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
12/18 = 12 × 7/18 × 7 = 84/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
30/14 = 30 × 9/14 × 9 = 270/126 - Add the two like fractions:
84/126 + 270/126 = 84 + 270/126 = 354/126 - 354/126 simplified gives 59/21
- So, 12/18 + 30/14 = 59/21
In mixed form: 217/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18+30/14 12/18+60/14 12/36+30/14 12/18+30/28 36/18+30/14 12/18+90/14 12/54+30/14 12/18+30/42 60/18+30/14 12/90+30/14 12/18+30/70 84/18+30/14 12/18+30/98