Add 90/18 and 18/24
1st number: 5 0/18, 2nd number: 18/24
90/18 + 18/24 is 23/4.
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,
18/24 = 18 × 3/24 × 3 = 54/72 - Add the two like fractions:
360/72 + 54/72 = 360 + 54/72 = 414/72 - 414/72 simplified gives 23/4
- So, 90/18 + 18/24 = 23/4
In mixed form: 53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+36/24 90/36+18/24 90/18+18/48 90/18+54/24 90/54+18/24 90/18+18/72 90/18+90/24