Add 20/27 and 15/14
1st number: 20/27, 2nd number: 1 1/14
20/27 + 15/14 is 685/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
20/27 = 20 × 14/27 × 14 = 280/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
15/14 = 15 × 27/14 × 27 = 405/378 - Add the two like fractions:
280/378 + 405/378 = 280 + 405/378 = 685/378 - So, 20/27 + 15/14 = 685/378
In mixed form: 1307/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+15/14 20/27+30/14 20/54+15/14 20/27+15/28 60/27+15/14 20/27+45/14 20/81+15/14 20/27+15/42 20/27+75/14 20/27+15/70 20/27+15/98