Add 7/5 and 80/7
1st number: 1 2/5, 2nd number: 11 3/7
7/5 + 80/7 is 449/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
7/5 = 7 × 7/5 × 7 = 49/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
80/7 = 80 × 5/7 × 5 = 400/35 - Add the two like fractions:
49/35 + 400/35 = 49 + 400/35 = 449/35 - So, 7/5 + 80/7 = 449/35
In mixed form: 1229/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+80/7 7/10+80/7 7/5+80/14 21/5+80/7 7/15+80/7 7/5+80/21 35/5+80/7 7/25+80/7 7/5+80/35 49/5+80/7 7/35+80/7 7/5+80/49