Answer:
10/25, or 2/5
Step-by-step explanation:
This basically asks what 10/25/5/5 is equal to, but we know that 5/5 must equal 1, so this simplifies to 10/25/1, and we know that any number divided by 1 equals itself, so 10/25/1 equals 10/25, and if you reduce the fraction you get 2/5
