Add 12/24 and 20/27
12/24 + 20/27 is 67/54.
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,
12/24 = 12 × 9/24 × 9 = 108/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
20/27 = 20 × 8/27 × 8 = 160/216 - Add the two like fractions:
108/216 + 160/216 = 108 + 160/216 = 268/216 - 268/216 simplified gives 67/54
- So, 12/24 + 20/27 = 67/54
In mixed form: 113/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/24+40/27 12/48+20/27 12/24+20/54 36/24+20/27 12/24+60/27 12/72+20/27 12/24+20/81 60/24+20/27 84/24+20/27