Add 90/15 and 24/18
1st number: 6 0/15, 2nd number: 1 6/18
90/15 + 24/18 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
90/15 = 90 × 6/15 × 6 = 540/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
24/18 = 24 × 5/18 × 5 = 120/90 - Add the two like fractions:
540/90 + 120/90 = 540 + 120/90 = 660/90 - 660/90 simplified gives 22/3
- So, 90/15 + 24/18 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+48/18 90/30+24/18 90/15+24/36 90/15+72/18 90/45+24/18 90/15+24/54 90/75+24/18 90/15+24/90