Add 7/18 and 90/24
1st number: 7/18, 2nd number: 3 18/24
7/18 + 90/24 is 149/36.
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,
7/18 = 7 × 4/18 × 4 = 28/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
90/24 = 90 × 3/24 × 3 = 270/72 - Add the two like fractions:
28/72 + 270/72 = 28 + 270/72 = 298/72 - 298/72 simplified gives 149/36
- So, 7/18 + 90/24 = 149/36
In mixed form: 45/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+90/24 7/36+90/24 7/18+90/48 21/18+90/24 7/54+90/24 7/18+90/72 35/18+90/24 7/90+90/24 49/18+90/24