Add 27/12 and 20/27
1st number: 2 3/12, 2nd number: 20/27
27/12 + 20/27 is 323/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
27/12 = 27 × 9/12 × 9 = 243/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
20/27 = 20 × 4/27 × 4 = 80/108 - Add the two like fractions:
243/108 + 80/108 = 243 + 80/108 = 323/108 - So, 27/12 + 20/27 = 323/108
In mixed form: 2107/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+20/27 27/12+40/27 27/24+20/27 27/12+20/54 81/12+20/27 27/12+60/27 27/36+20/27 27/12+20/81 27/60+20/27 27/84+20/27