How many times can twelve go into ninety? In math, 90 divided by 12 gives seven. In other words, 90 divided by twelve gives 7.5. The number twelve has many factors, so it can be a tricky question to answer. If you are stuck, here are some ways to make the answer easier to remember. When solving long division problems, you can use a family member to help you remember. You should write your answer above the four, and under 94 write a subtraction sign.