Step-by-step explanation:
Let the total number of boys be x.
We know that :-
[tex] \frac{1}{1} = 1[/tex]
is the greatest fraction.
Now, considering the class AS whole, we can say that the value of class is 1.
According to Equation given:-
[tex] \dfrac{4}{5} + x = 1[/tex]
[tex]x = \dfrac{1}{1} - \dfrac{4}{5} [/tex]
Taking LCM,
[tex] \dfrac{5 - 4}{5} [/tex]
[tex] = \dfrac{1}{5} [/tex]
Fraction of the class are boys.
Hope it helps :D
