How many 4/5s are in 1 ? Isn't the answer 5/4 ?

yes.

To find out how many 4/5s are in 1, you need to divide 1 by 4/5.

When you divide a number by a fraction, you can multiply the number by the reciprocal of the fraction. The reciprocal of 4/5 is 5/4.

So, to find out how many 4/5s are in 1, you can multiply 1 by the reciprocal of 4/5, which is 5/4.

Multiplying 1 by 5/4, we get:

1 * 5/4 = 5/4

Therefore, the answer is indeed 5/4.