Add 27/9 and 12/90
1st number: 3 0/9, 2nd number: 12/90
27/9 + 12/90 is 47/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
27/9 = 27 × 10/9 × 10 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Add the two like fractions:
270/90 + 12/90 = 270 + 12/90 = 282/90 - 282/90 simplified gives 47/15
- So, 27/9 + 12/90 = 47/15
In mixed form: 32/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9+12/90 27/9+24/90 27/18+12/90 81/9+12/90 27/9+36/90 27/9+60/90 27/45+12/90 27/9+84/90 27/63+12/90