Add 20/2 and 28/20
1st number: 10 0/2, 2nd number: 1 8/20
20/2 + 28/20 is 57/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
20/2 = 20 × 10/2 × 10 = 200/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
28/20 = 28 × 1/20 × 1 = 28/20 - Add the two like fractions:
200/20 + 28/20 = 200 + 28/20 = 228/20 - 228/20 simplified gives 57/5
- So, 20/2 + 28/20 = 57/5
In mixed form: 112/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2+28/20 20/2+56/20 20/4+28/20 20/2+28/40 60/2+28/20 20/2+84/20 20/6+28/20 20/2+28/60 20/10+28/20 20/14+28/20