Yes, 7 and 40 can be reduced to a simpler form. To simplify the fraction 7/40, you would need to find the greatest common divisor (GCD) of 7 and 40, which is 1. Dividing both the numerator and denominator by 1 gives you the simplified fraction of 7/40.
28/40 = 7/10
40 + 7 + 7 + 7 + 7 = 68
40% of $7= 40% * 7= 0.4 * 7= $2.80
7/40=0.175.
5 - (40/7) = - 5/7(5 - 40)/7 = -5
7/40 is in its simplest form
7/40 as a percentage = 100*7/40 = 17.5 %
0.175
7/40 = 17.5%
40/7 = 5.7142857...
There isn't one. 7 cannot reduce and 18 can reduce, but not in a factor of 7.
Divide 7 by 40 and multiply by 100; 7/40=0.175; 0.175x100=17.5%