40/8 = 5/1 = 5
19/40 is in the reduced form as there is no whole number that divides 19 and 40 evenly (remainder zero).
The reduced fraction for 40 over 64 is 5/8
The reduced fraction for 40 over 100 is 2/5
21/40 cannot be reduced.
it can be reduced to 4 over 3
The fraction 13/40 cannot be reduced any more.
No.
12/40 factor 4*3/4*10 eliminate 4; top and bottom 3/10
100*28/40 = 70%
nope
189 and 40 have no factor in common and so the fraction cannot be reduced.