Find the missing number and express it as a fraction in its simplest form.

$\frac{80}{11} \div \square=15$

To do:  Find the missing number and express it as a fraction in its simplest form.

Solution: Let's take the unknown number to be $x$

$\frac{80}{11}$  Divided by  $x$  = 15

$\frac{80}{11}$ $\div x$ =15

$\frac{80}{11}\times \frac{1}{x}$ =15

$\frac{80}{11}$  =15$x$

$\frac{80}{11\times15}$ =$x$

$\frac{16}{11 \times 3}$= $x$

$\frac{16}{33}$ =$x$ 

Therefore the missing number is $\frac{16}{33}$

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Updated on: 10-Oct-2022

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