Add 2/90 and 15/12
1st number: 2/90, 2nd number: 1 3/12
2/90 + 15/12 is 229/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
2/90 = 2 × 2/90 × 2 = 4/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
15/12 = 15 × 15/12 × 15 = 225/180 - Add the two like fractions:
4/180 + 225/180 = 4 + 225/180 = 229/180 - So, 2/90 + 15/12 = 229/180
In mixed form: 149/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90+15/12 2/90+30/12 2/90+15/24 6/90+15/12 2/90+45/12 2/90+15/36 10/90+15/12 2/90+75/12 2/90+15/60 14/90+15/12 2/90+15/84