Convert the following fraction into a decimal :

$\dfrac{7}{8}$

We have:

$\phantom{=} \dfrac{7}{8} = \dfrac{7 \times 125}{8 \times 125} \quad \text{[Multiplying by 125 to get denominator 1000]} \\[1em] = \dfrac{875}{1000} \\[1em] = 0.875$

∴ The answer is 0.875