Question

1/3 times 1/5 simplified

Answer 1

1/3 times 1/5 equals 1/15. That is already simplified :).

Answer 2

To multiply fractions, you always multiply the numerators by each other and the denominators by each other. 
1/3*1/5 = 1/15

This cannot be simplified because the numerator (1) cannot be simplified any further

Hope this helps:)