Question

what is fraction for even number using to 1 to 15 number 1 to 15​

Answer 1

Answer:

Step-by-step explanation:

Case 1: Inclusive

There are 6 primes from 1 to 15:

2, 3, 5, 7, 11, 13

615=25  

Case 2: Exclusive

There are still 6 primes, but 13 numbers now:

613