Add 3/27 and 15/4
1st number: 3/27, 2nd number: 3 3/4
3/27 + 15/4 is 139/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
3/27 = 3 × 4/27 × 4 = 12/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
15/4 = 15 × 27/4 × 27 = 405/108 - Add the two like fractions:
12/108 + 405/108 = 12 + 405/108 = 417/108 - 417/108 simplified gives 139/36
- So, 3/27 + 15/4 = 139/36
In mixed form: 331/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/27+15/4 3/27+30/4 3/54+15/4 3/27+15/8 9/27+15/4 3/27+45/4 3/81+15/4 3/27+15/12 15/27+15/4 3/27+75/4 3/27+15/20 21/27+15/4 3/27+15/28