Add 80/18 and 12/27
1st number: 4 8/18, 2nd number: 12/27
80/18 + 12/27 is 44/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
80/18 = 80 × 3/18 × 3 = 240/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
12/27 = 12 × 2/27 × 2 = 24/54 - Add the two like fractions:
240/54 + 24/54 = 240 + 24/54 = 264/54 - 264/54 simplified gives 44/9
- So, 80/18 + 12/27 = 44/9
In mixed form: 48/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+24/27 80/36+12/27 80/18+12/54 80/18+36/27 80/54+12/27 80/18+12/81 80/18+60/27 80/90+12/27 80/18+84/27