Add 8/18 and 80/12
1st number: 8/18, 2nd number: 6 8/12
8/18 + 80/12 is 64/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
8/18 = 8 × 2/18 × 2 = 16/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
80/12 = 80 × 3/12 × 3 = 240/36 - Add the two like fractions:
16/36 + 240/36 = 16 + 240/36 = 256/36 - 256/36 simplified gives 64/9
- So, 8/18 + 80/12 = 64/9
In mixed form: 71/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18+80/12 8/36+80/12 8/18+80/24 24/18+80/12 8/54+80/12 8/18+80/36 40/18+80/12 8/90+80/12 8/18+80/60 56/18+80/12 8/18+80/84