Add 7/15 and 80/7
1st number: 7/15, 2nd number: 11 3/7
7/15 + 80/7 is 1249/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
7/15 = 7 × 7/15 × 7 = 49/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
80/7 = 80 × 15/7 × 15 = 1200/105 - Add the two like fractions:
49/105 + 1200/105 = 49 + 1200/105 = 1249/105 - So, 7/15 + 80/7 = 1249/105
In mixed form: 1194/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+80/7 7/30+80/7 7/15+80/14 21/15+80/7 7/45+80/7 7/15+80/21 35/15+80/7 7/75+80/7 7/15+80/35 49/15+80/7 7/15+80/49