Add 80/20 and 7/5
1st number: 4 0/20, 2nd number: 1 2/5
80/20 + 7/5 is 27/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
80/20 = 80 × 1/20 × 1 = 80/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
7/5 = 7 × 4/5 × 4 = 28/20 - Add the two like fractions:
80/20 + 28/20 = 80 + 28/20 = 108/20 - 108/20 simplified gives 27/5
- So, 80/20 + 7/5 = 27/5
In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+14/5 80/40+7/5 80/20+7/10 80/20+21/5 80/60+7/5 80/20+7/15 80/20+35/5 80/20+7/25 80/20+49/5 80/20+7/35