Add 27/12 and 3/90
1st number: 2 3/12, 2nd number: 3/90
27/12 + 3/90 is 137/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
27/12 = 27 × 15/12 × 15 = 405/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Add the two like fractions:
405/180 + 6/180 = 405 + 6/180 = 411/180 - 411/180 simplified gives 137/60
- So, 27/12 + 3/90 = 137/60
In mixed form: 217/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+3/90 27/12+6/90 27/24+3/90 81/12+3/90 27/12+9/90 27/36+3/90 27/12+15/90 27/60+3/90 27/12+21/90 27/84+3/90