Add 30/12 and 27/90
1st number: 2 6/12, 2nd number: 27/90
30/12 + 27/90 is 14/5.
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,
30/12 = 30 × 15/12 × 15 = 450/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
27/90 = 27 × 2/90 × 2 = 54/180 - Add the two like fractions:
450/180 + 54/180 = 450 + 54/180 = 504/180 - 504/180 simplified gives 14/5
- So, 30/12 + 27/90 = 14/5
In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+27/90 30/12+54/90 30/24+27/90 90/12+27/90 30/12+81/90 30/36+27/90 30/60+27/90 30/84+27/90