Please explain this problem:

one fifth of 40

so 1/5 of 40 is just 1/5 times 40 which equals 8.

1/5 * 40/1

Multiply the numerators and the denominators.

1/5 * 40/1 = 40/5 = 8

To solve the problem "one fifth of 40", you need to find one-fifth of the number 40.

First, let's determine what one-fifth means. One-fifth is another way of writing 1/5, which indicates that we want to divide a number into five equal parts and find one of those parts.

To find one-fifth of 40, we can multiply 40 by 1/5:

40 × 1/5 = 40/5

To simplify this fraction, we divide both the numerator and the denominator by their greatest common divisor (GCD), which is 5:

40 ÷ 5 = 8

Therefore, one-fifth of 40 is 8.

So, the answer to the problem "one fifth of 40" is 8.