Add 12/15 and 28/14
1st number: 12/15, 2nd number: 2 0/14
12/15 + 28/14 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
12/15 = 12 × 14/15 × 14 = 168/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
28/14 = 28 × 15/14 × 15 = 420/210 - Add the two like fractions:
168/210 + 420/210 = 168 + 420/210 = 588/210 - 588/210 simplified gives 14/5
- So, 12/15 + 28/14 = 14/5
In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+28/14 12/15+56/14 12/30+28/14 36/15+28/14 12/15+84/14 12/45+28/14 12/15+28/42 60/15+28/14 12/75+28/14 12/15+28/70 84/15+28/14 12/15+28/98