What is 3 and 1 over 5 multiply by 1 and 1 over 2?

1 over 15 x 3 over 2 (after turning them into improper fractions)

this is then: 2 x 45 over 30 ( as it is the common demoninator)

2 x 45 is 90, so this is 90 over 30, which is two

Therefore 1 over 15 x 3 over 2 is two.