Add 90/12 and 27/3
1st number: 7 6/12, 2nd number: 9 0/3
90/12 + 27/3 is 33/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
90/12 = 90 × 1/12 × 1 = 90/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
27/3 = 27 × 4/3 × 4 = 108/12 - Add the two like fractions:
90/12 + 108/12 = 90 + 108/12 = 198/12 - 198/12 simplified gives 33/2
- So, 90/12 + 27/3 = 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: 90/12+54/3 90/24+27/3 90/12+27/6 90/12+81/3 90/36+27/3 90/12+27/9 90/60+27/3 90/12+27/15 90/84+27/3 90/12+27/21