Add 80/14 and 18/9
1st number: 5 10/14, 2nd number: 2 0/9
80/14 + 18/9 is 54/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
80/14 = 80 × 9/14 × 9 = 720/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
18/9 = 18 × 14/9 × 14 = 252/126 - Add the two like fractions:
720/126 + 252/126 = 720 + 252/126 = 972/126 - 972/126 simplified gives 54/7
- So, 80/14 + 18/9 = 54/7
In mixed form: 75/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+36/9 80/28+18/9 80/14+54/9 80/42+18/9 80/14+18/27 80/14+90/9 80/70+18/9 80/14+18/45 80/98+18/9 80/14+18/63