Add 30/12 and 15/14
1st number: 2 6/12, 2nd number: 1 1/14
30/12 + 15/14 is 25/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
30/12 = 30 × 7/12 × 7 = 210/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
15/14 = 15 × 6/14 × 6 = 90/84 - Add the two like fractions:
210/84 + 90/84 = 210 + 90/84 = 300/84 - 300/84 simplified gives 25/7
- So, 30/12 + 15/14 = 25/7
In mixed form: 34/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+15/14 30/12+30/14 30/24+15/14 30/12+15/28 90/12+15/14 30/12+45/14 30/36+15/14 30/12+15/42 30/12+75/14 30/60+15/14 30/12+15/70 30/84+15/14 30/12+15/98