Add 9/14 and 80/15
1st number: 9/14, 2nd number: 5 5/15
9/14 + 80/15 is 251/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
9/14 = 9 × 15/14 × 15 = 135/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
80/15 = 80 × 14/15 × 14 = 1120/210 - Add the two like fractions:
135/210 + 1120/210 = 135 + 1120/210 = 1255/210 - 1255/210 simplified gives 251/42
- So, 9/14 + 80/15 = 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: 18/14+80/15 9/28+80/15 9/14+80/30 27/14+80/15 9/42+80/15 9/14+80/45 45/14+80/15 9/70+80/15 9/14+80/75 63/14+80/15 9/98+80/15