Add 90/24 and 4/18
1st number: 3 18/24, 2nd number: 4/18
90/24 + 4/18 is 143/36.
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,
90/24 = 90 × 3/24 × 3 = 270/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
4/18 = 4 × 4/18 × 4 = 16/72 - Add the two like fractions:
270/72 + 16/72 = 270 + 16/72 = 286/72 - 286/72 simplified gives 143/36
- So, 90/24 + 4/18 = 143/36
In mixed form: 335/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+8/18 90/48+4/18 90/24+4/36 90/24+12/18 90/72+4/18 90/24+4/54 90/24+20/18 90/24+4/90 90/24+28/18