Add 4/5 and 80/60
1st number: 4/5, 2nd number: 1 20/60
4/5 + 80/60 is 32/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
4/5 = 4 × 12/5 × 12 = 48/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
80/60 = 80 × 1/60 × 1 = 80/60 - Add the two like fractions:
48/60 + 80/60 = 48 + 80/60 = 128/60 - 128/60 simplified gives 32/15
- So, 4/5 + 80/60 = 32/15
In mixed form: 22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5+80/60 4/10+80/60 12/5+80/60 4/15+80/60 20/5+80/60 4/25+80/60 28/5+80/60 4/35+80/60