Add 80/18 and 16/12
1st number: 4 8/18, 2nd number: 1 4/12
80/18 + 16/12 is 52/9.
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,
80/18 = 80 × 2/18 × 2 = 160/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
16/12 = 16 × 3/12 × 3 = 48/36 - Add the two like fractions:
160/36 + 48/36 = 160 + 48/36 = 208/36 - 208/36 simplified gives 52/9
- So, 80/18 + 16/12 = 52/9
In mixed form: 57/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+32/12 80/36+16/12 80/18+16/24 80/18+48/12 80/54+16/12 80/18+16/36 80/18+80/12 80/90+16/12 80/18+16/60 80/18+16/84