Question

At the hardware store 2/4 of nails are size 2d and 1/4 of nails are size 4d. What fraction of the nails are either size 2d or 4d?

Answer 1

`(3)/(4)`

Explanation:

We need to find the fractional amount of the total that is 2d and 4d size nails.

It is given 2d nails are 2/4th of the total. Also

It is given 4d nails are 1/4th of the total.

Hence 2d and 4d comprises of 2/4 + 1/4 = 3/4th of the total

so, 2d and 4d is 3/4th of the total