Add 35/12 and 40/90
1st number: 2 11/12, 2nd number: 40/90
35/12 + 40/90 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
35/12 = 35 × 15/12 × 15 = 525/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
40/90 = 40 × 2/90 × 2 = 80/180 - Add the two like fractions:
525/180 + 80/180 = 525 + 80/180 = 605/180 - 605/180 simplified gives 121/36
- So, 35/12 + 40/90 = 121/36
In mixed form: 313/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+40/90 35/12+80/90 35/24+40/90 35/36+40/90 35/60+40/90 35/84+40/90