Add 18/24 and 90/18
1st number: 18/24, 2nd number: 5 0/18
18/24 + 90/18 is 23/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
18/24 = 18 × 3/24 × 3 = 54/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
90/18 = 90 × 4/18 × 4 = 360/72 - Add the two like fractions:
54/72 + 360/72 = 54 + 360/72 = 414/72 - 414/72 simplified gives 23/4
- So, 18/24 + 90/18 = 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: 36/24+90/18 18/48+90/18 18/24+90/36 54/24+90/18 18/72+90/18 18/24+90/54 90/24+90/18