4/10 = 2/5
10-4 = 1/104 = 0.0001
Yes, 4/10 simplifies to 2/5
40/10 = 4
10
104 = 10000
0.4
2 and 5. Both 4 and 10 can be divided by 2
When you simplify 8 over 10 to its lowest term, the answer is 4 over 5.
4/10 but if you want to simplify it . . . 2/5
4/5
3 and 4/10, which you can simplify, if you so wish.