Question

What fraction of 40kg is 16kg?

Answer 1

The required fraction is $\frac{16}{40} = \frac{16}{40}$ ÷ $\frac{8}{8} = \frac{2}{5}$. 
Both the numerator and the denominator of a fraction can be divided by the same non-zero number. 

Hope this may help you. 

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