Add 35/12 and 42/90
1st number: 2 11/12, 2nd number: 42/90
35/12 + 42/90 is 203/60.
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,
42/90 = 42 × 2/90 × 2 = 84/180 - Add the two like fractions:
525/180 + 84/180 = 525 + 84/180 = 609/180 - 609/180 simplified gives 203/60
- So, 35/12 + 42/90 = 203/60
In mixed form: 323/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+42/90 35/12+84/90 35/24+42/90 35/36+42/90 35/60+42/90 35/84+42/90