Add 30/15 and 12/14
1st number: 2 0/15, 2nd number: 12/14
30/15 + 12/14 is 20/7.
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,
30/15 = 30 × 14/15 × 14 = 420/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
12/14 = 12 × 15/14 × 15 = 180/210 - Add the two like fractions:
420/210 + 180/210 = 420 + 180/210 = 600/210 - 600/210 simplified gives 20/7
- So, 30/15 + 12/14 = 20/7
In mixed form: 26/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+12/14 30/15+24/14 30/15+12/28 90/15+12/14 30/15+36/14 30/45+12/14 30/15+12/42 30/15+60/14 30/75+12/14 30/15+12/70 30/15+84/14 30/15+12/98