Add 80/30 and 28/10
1st number: 2 20/30, 2nd number: 2 8/10
80/30 + 28/10 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
80/30 = 80 × 1/30 × 1 = 80/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
28/10 = 28 × 3/10 × 3 = 84/30 - Add the two like fractions:
80/30 + 84/30 = 80 + 84/30 = 164/30 - 164/30 simplified gives 82/15
- So, 80/30 + 28/10 = 82/15
In mixed form: 57/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+56/10 80/60+28/10 80/30+28/20 80/30+84/10 80/90+28/10 80/30+28/30 80/30+28/50 80/30+28/70