Add 80/15 and 9/14
1st number: 5 5/15, 2nd number: 9/14
80/15 + 9/14 is 251/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
80/15 = 80 × 14/15 × 14 = 1120/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
9/14 = 9 × 15/14 × 15 = 135/210 - Add the two like fractions:
1120/210 + 135/210 = 1120 + 135/210 = 1255/210 - 1255/210 simplified gives 251/42
- So, 80/15 + 9/14 = 251/42
In mixed form: 541/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+18/14 80/30+9/14 80/15+9/28 80/15+27/14 80/45+9/14 80/15+9/42 80/15+45/14 80/75+9/14 80/15+9/70 80/15+63/14 80/15+9/98