Question

there are 36 students in franks class. 27 of them are buying lunch today. write and simplify the fraction of students that are buying lunch.

Explanation:

Step1: Write initial fraction

The fraction is the number of students buying lunch over total students: $\frac{27}{36}$

Step2: Find GCD of 27 and 36

Greatest common divisor of 27 and 36 is 9.

Step3: Simplify the fraction

Divide numerator and denominator by 9: $\frac{27\div9}{36\div9}=\frac{3}{4}$

Answer:

$\frac{3}{4}$