To find what should be added to 19 so that the result is exactly divisible by 12, follow these steps:
- Find the remainder when 19 is divided by 12:
19÷12=1 remainder 719\div 12=1\text{ remainder }719÷12=1 remainder 7
- Since the remainder is 7, you need to add a number that makes the total divisible by 12. This number is:
12−7=512-7=512−7=5
Answer: You should add 5 to 19 to make it exactly divisible by 12.
