Any number divides into itself evenly, so 84.
It is 12 because 12 is the highest common factor of both number that will divide into them evenly and leaving no remainders.
When you divide 84 by 15 you get 5.6 it is saying that when you have the number that you are going to put another number into in this case the number is 84 if you are going to take a evn number an divide it by a odd number then you know that you are going to get a odd number that is why 84\15= 5.6.
The highest common factor of 60 and 84 is 12
84 divide by 112 = 0.75
8
21
The highest two-digit prime number is 97. Out of that group, the highest (and only) prime number is 71.
The highest common factor of both number is 28
6
You divide both parts by their highest common factor, which is 28. That gives you 2 over 3.
84
1, 2, 7 and 14 all divide into both 14 and 84, without leaving a remainder.