Add 80/5 and 4/7
1st number: 16 0/5, 2nd number: 4/7
80/5 + 4/7 is 116/7.
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,
80/5 = 80 × 7/5 × 7 = 560/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
4/7 = 4 × 5/7 × 5 = 20/35 - Add the two like fractions:
560/35 + 20/35 = 560 + 20/35 = 580/35 - 580/35 simplified gives 116/7
- So, 80/5 + 4/7 = 116/7
In mixed form: 164/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+8/7 80/10+4/7 80/5+4/14 80/5+12/7 80/15+4/7 80/5+4/21 80/5+20/7 80/25+4/7 80/5+4/35 80/5+28/7 80/35+4/7 80/5+4/49