Add 12/14 and 6/20
12/14 + 6/20 is 81/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
12/14 = 12 × 10/14 × 10 = 120/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
6/20 = 6 × 7/20 × 7 = 42/140 - Add the two like fractions:
120/140 + 42/140 = 120 + 42/140 = 162/140 - 162/140 simplified gives 81/70
- So, 12/14 + 6/20 = 81/70
In mixed form: 111/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14+6/20 12/14+12/20 12/28+6/20 12/14+6/40 36/14+6/20 12/14+18/20 12/42+6/20 12/14+6/60 60/14+6/20 12/14+30/20 12/70+6/20 84/14+6/20 12/14+42/20 12/98+6/20