Add 42/18 and 5/90
1st number: 2 6/18, 2nd number: 5/90
42/18 + 5/90 is 43/18.
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,
42/18 = 42 × 5/18 × 5 = 210/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
5/90 = 5 × 1/90 × 1 = 5/90 - Add the two like fractions:
210/90 + 5/90 = 210 + 5/90 = 215/90 - 215/90 simplified gives 43/18
- So, 42/18 + 5/90 = 43/18
In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+5/90 42/18+10/90 42/36+5/90 42/18+15/90 42/54+5/90 42/18+25/90 42/90+5/90 42/18+35/90