Add 27/90 and 14/12
1st number: 27/90, 2nd number: 1 2/12
27/90 + 14/12 is 22/15.
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,
27/90 = 27 × 2/90 × 2 = 54/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
14/12 = 14 × 15/12 × 15 = 210/180 - Add the two like fractions:
54/180 + 210/180 = 54 + 210/180 = 264/180 - 264/180 simplified gives 22/15
- So, 27/90 + 14/12 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90+14/12 27/90+28/12 27/90+14/24 81/90+14/12 27/90+42/12 27/90+14/36 27/90+70/12 27/90+14/60 27/90+98/12 27/90+14/84