Question

Convert the fractions into a decimal number: $7\frac{3}{40}$

Answer 1

Convert each fraction into an equivalent decimal fraction i.e with denominators $10,100,1000,.....$
$$\begin{gathered} 7\frac{3}{40}=7+\frac{3\times 25}{40\times 25} \\ =7+\frac{75}{1000} \\ =7+0.075 \\ =7.075 \end{gathered}$$
Hence, $7.075$ is the decimal number of $7\frac{3}{40}.$