Add 27/3 and 90/12
1st number: 9 0/3, 2nd number: 7 6/12
27/3 + 90/12 is 33/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
27/3 = 27 × 4/3 × 4 = 108/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
90/12 = 90 × 1/12 × 1 = 90/12 - Add the two like fractions:
108/12 + 90/12 = 108 + 90/12 = 198/12 - 198/12 simplified gives 33/2
- So, 27/3 + 90/12 = 33/2
In mixed form: 161/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3+90/12 27/6+90/12 27/3+90/24 81/3+90/12 27/9+90/12 27/3+90/36 27/15+90/12 27/3+90/60 27/21+90/12 27/3+90/84