Add 80/14 and 12/3
1st number: 5 10/14, 2nd number: 4 0/3
80/14 + 12/3 is 68/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
80/14 = 80 × 3/14 × 3 = 240/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
12/3 = 12 × 14/3 × 14 = 168/42 - Add the two like fractions:
240/42 + 168/42 = 240 + 168/42 = 408/42 - 408/42 simplified gives 68/7
- So, 80/14 + 12/3 = 68/7
In mixed form: 95/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+24/3 80/28+12/3 80/14+12/6 80/14+36/3 80/42+12/3 80/14+12/9 80/14+60/3 80/70+12/3 80/14+12/15 80/14+84/3 80/98+12/3 80/14+12/21