Question

in a class there are 40 students 3/4 of them are girls and the rest are boys what fraction of the class are boys​

Answer 1

There are 40 students in the class.

No. of girls = (40*3)/4 = 30

So, there are 30 girls in the class.

There are 10 students left. So, fraction is

10/40 = 1/4.

Answer 2

157/4+3/4=40

so boy =157/4