Add 1/90 and 42/18
1st number: 1/90, 2nd number: 2 6/18
1/90 + 42/18 is 211/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
42/18 = 42 × 5/18 × 5 = 210/90 - Add the two like fractions:
1/90 + 210/90 = 1 + 210/90 = 211/90 - So, 1/90 + 42/18 = 211/90
In mixed form: 231/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90+42/18 1/90+84/18 1/90+42/36 3/90+42/18 1/90+42/54 5/90+42/18 1/90+42/90 7/90+42/18