Add 90/18 and 6/24
1st number: 5 0/18, 2nd number: 6/24
90/18 + 6/24 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
90/18 = 90 × 4/18 × 4 = 360/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
6/24 = 6 × 3/24 × 3 = 18/72 - Add the two like fractions:
360/72 + 18/72 = 360 + 18/72 = 378/72 - 378/72 simplified gives 21/4
- So, 90/18 + 6/24 = 21/4
In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+12/24 90/36+6/24 90/18+6/48 90/18+18/24 90/54+6/24 90/18+6/72 90/18+30/24 90/18+42/24