Add 42/18 and 3/5
1st number: 2 6/18, 2nd number: 3/5
42/18 + 3/5 is 44/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 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 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Add the two like fractions:
210/90 + 54/90 = 210 + 54/90 = 264/90 - 264/90 simplified gives 44/15
- So, 42/18 + 3/5 = 44/15
In mixed form: 214/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+3/5 42/18+6/5 42/36+3/5 42/18+3/10 42/18+9/5 42/54+3/5 42/18+3/15 42/18+15/5 42/90+3/5 42/18+3/25 42/18+21/5 42/18+3/35