Add 12/14 and 18/15
1st number: 12/14, 2nd number: 1 3/15
12/14 + 18/15 is 72/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
12/14 = 12 × 15/14 × 15 = 180/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
18/15 = 18 × 14/15 × 14 = 252/210 - Add the two like fractions:
180/210 + 252/210 = 180 + 252/210 = 432/210 - 432/210 simplified gives 72/35
- So, 12/14 + 18/15 = 72/35
In mixed form: 22/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14+18/15 12/14+36/15 12/28+18/15 12/14+18/30 36/14+18/15 12/14+54/15 12/42+18/15 12/14+18/45 60/14+18/15 12/14+90/15 12/70+18/15 12/14+18/75 84/14+18/15 12/98+18/15