Add 10/5 and 12/80
1st number: 2 0/5, 2nd number: 12/80
10/5 + 12/80 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
10/5 = 10 × 16/5 × 16 = 160/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
12/80 = 12 × 1/80 × 1 = 12/80 - Add the two like fractions:
160/80 + 12/80 = 160 + 12/80 = 172/80 - 172/80 simplified gives 43/20
- So, 10/5 + 12/80 = 43/20
In mixed form: 23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5+12/80 10/5+24/80 30/5+12/80 10/5+36/80 10/15+12/80 50/5+12/80 10/5+60/80 10/25+12/80 70/5+12/80 10/5+84/80 10/35+12/80