Add 12/20 and 20/14
1st number: 12/20, 2nd number: 1 6/14
12/20 + 20/14 is 71/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
20/14 = 20 × 10/14 × 10 = 200/140 - Add the two like fractions:
84/140 + 200/140 = 84 + 200/140 = 284/140 - 284/140 simplified gives 71/35
- So, 12/20 + 20/14 = 71/35
In mixed form: 21/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+20/14 12/20+40/14 12/40+20/14 12/20+20/28 36/20+20/14 12/20+60/14 12/60+20/14 12/20+20/42 60/20+20/14 12/20+20/70 84/20+20/14 12/20+20/98