Add 8/10 and 28/20
1st number: 8/10, 2nd number: 1 8/20
8/10 + 28/20 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
8/10 = 8 × 2/10 × 2 = 16/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
28/20 = 28 × 1/20 × 1 = 28/20 - Add the two like fractions:
16/20 + 28/20 = 16 + 28/20 = 44/20 - 44/20 simplified gives 11/5
- So, 8/10 + 28/20 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+28/20 8/10+56/20 8/20+28/20 8/10+28/40 24/10+28/20 8/10+84/20 8/30+28/20 8/10+28/60 40/10+28/20 8/50+28/20 56/10+28/20 8/70+28/20