Whats the best way to solve angle problems

Like what kinds? Finding out the type of angle? The degree?

8.5 as a fraction is 8.5/1. To make the denominator 4, you must multiply both the top and bottom by 4 (4x8.5/1x4). This gives you your answer, which is 34/4. To double check this, you just divided 34 by 4. This equals 8.5, which is the original number.