Add 28/10 and 60/80
1st number: 2 8/10, 2nd number: 60/80
28/10 + 60/80 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
28/10 = 28 × 8/10 × 8 = 224/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
60/80 = 60 × 1/80 × 1 = 60/80 - Add the two like fractions:
224/80 + 60/80 = 224 + 60/80 = 284/80 - 284/80 simplified gives 71/20
- So, 28/10 + 60/80 = 71/20
In mixed form: 311/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+60/80 28/20+60/80 84/10+60/80 28/30+60/80 28/50+60/80 28/70+60/80