Add 3/18 and 90/15
1st number: 3/18, 2nd number: 6 0/15
3/18 + 90/15 is 37/6.
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,
3/18 = 3 × 5/18 × 5 = 15/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
90/15 = 90 × 6/15 × 6 = 540/90 - Add the two like fractions:
15/90 + 540/90 = 15 + 540/90 = 555/90 - 555/90 simplified gives 37/6
- So, 3/18 + 90/15 = 37/6
In mixed form: 61/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+90/15 3/36+90/15 3/18+90/30 9/18+90/15 3/54+90/15 3/18+90/45 15/18+90/15 3/90+90/15 3/18+90/75 21/18+90/15