Add 90/24 and 90/27
1st number: 3 18/24, 2nd number: 3 9/27
90/24 + 90/27 is 85/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
90/24 = 90 × 9/24 × 9 = 810/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
90/27 = 90 × 8/27 × 8 = 720/216 - Add the two like fractions:
810/216 + 720/216 = 810 + 720/216 = 1530/216 - 1530/216 simplified gives 85/12
- So, 90/24 + 90/27 = 85/12
In mixed form: 71/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48+90/27 90/24+90/54 90/72+90/27 90/24+90/81