5.3846
70 ÷ 13 is read as "70 divided by 13"........____13 | 70 is read as "13 divided into 70"They are different ways of expressing the same calculation, ie "70 divided by 13" is the same as "13 divided into 70". I guess you are referring to the second, so 13 goes outside the "bus stop".
13
13 over 70 is already in simplest form, 13 is a prime number (can't be divided into a integers beside 1 and 13).
3
(50 / 70) divided by 25 = 2 / 70
15.5714
20.4571
70
3.6429
0.2429
0.0583
70