21.75
4/87 = 0.459770115
87/4 = 21.75
I gave both options because i believe you wanted to ask 87 divided by 4. Remember when you say divided by that means the number that is "divided by" is on the bottom... like your 87 in your question.
87
21.75
87.6667
0.046
87
4.4483
4 goes into 348 87 times because 348 divided by 4=87
87.
0.0002
Answer is 43.4444
6 divided 87 = 0.06896551724137931
43.5