Both 4 and 70 can be divided by 2 giving 2 over 35. This is in simplest form.
4/70 = 2/35
70/280 = 1/4
4/35
4/7
4/5
70/40 simplifies to: 7/4 or 13/4 or 1.75
It is: 70/8 = 8 and 3/4 in its simplest form
34/140 = 17/70
4/7 - it cannot be simplified any further.
4 over 5 is in simplest form.
1/4 is in its simplest form.