What fraction is closest to 1/2: 1/4 or 3/5

Question

What fraction is closest to 1/2: 1/4,9/10, or 3/5

Answer 1

Their distances from 1/2 on the number line is:

 

 | 1/2 - 1/4 | = | 1/4 | = 1/4 = 0.25

 

 | 3/5 - 1/2 |  = | 6/10 - 5/10 | = | 1/10 | = 1/10 = 0.1

 

3/5 is closer