Add 90/27 and 35/12
1st number: 3 9/27, 2nd number: 2 11/12
90/27 + 35/12 is 25/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
90/27 = 90 × 4/27 × 4 = 360/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
35/12 = 35 × 9/12 × 9 = 315/108 - Add the two like fractions:
360/108 + 315/108 = 360 + 315/108 = 675/108 - 675/108 simplified gives 25/4
- So, 90/27 + 35/12 = 25/4
In mixed form: 61/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27+70/12 90/54+35/12 90/27+35/24 90/81+35/12 90/27+35/36 90/27+35/60 90/27+35/84