Add 5/18 and 90/15
1st number: 5/18, 2nd number: 6 0/15
5/18 + 90/15 is 113/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
5/18 = 5 × 5/18 × 5 = 25/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
90/15 = 90 × 6/15 × 6 = 540/90 - Add the two like fractions:
25/90 + 540/90 = 25 + 540/90 = 565/90 - 565/90 simplified gives 113/18
- So, 5/18 + 90/15 = 113/18
In mixed form: 65/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18+90/15 5/36+90/15 5/18+90/30 15/18+90/15 5/54+90/15 5/18+90/45 25/18+90/15 5/90+90/15 5/18+90/75 35/18+90/15