Add 54/18 and 90/24
1st number: 3 0/18, 2nd number: 3 18/24
54/18 + 90/24 is 27/4.
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,
54/18 = 54 × 4/18 × 4 = 216/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
90/24 = 90 × 3/24 × 3 = 270/72 - Add the two like fractions:
216/72 + 270/72 = 216 + 270/72 = 486/72 - 486/72 simplified gives 27/4
- So, 54/18 + 90/24 = 27/4
In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+90/24 54/18+90/48 54/18+90/72 54/90+90/24