Add 35/18 and 42/90
1st number: 1 17/18, 2nd number: 42/90
35/18 + 42/90 is 217/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
35/18 = 35 × 5/18 × 5 = 175/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Add the two like fractions:
175/90 + 42/90 = 175 + 42/90 = 217/90 - So, 35/18 + 42/90 = 217/90
In mixed form: 237/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+42/90 35/18+84/90 35/36+42/90 35/54+42/90 35/90+42/90