12/30 = 2/5
12 is 4/10 or four tenths of 30.
12/30 = 2/5
The answer depends on what it is a fraction of.
30% of 40 is 12 which is a whole number, not a fraction.
A fraction equivalent to 0.4
0.4
30/12= 5/2=========factor out a 6
12 30/90 = 37/3
30% of 40 as a fraction = 12/1 30% of 40 = 30% * 40 = 30%/100% * 40 = 12/1
12 x 1/30 = 12/30 =4/10 = 2/5
Simplified, it is 2/5.