Divide :

0.03822 ÷ 0.049

We have:

$\dfrac{0.03822}{0.049} = \dfrac{0.03822 \times 1000}{0.049 \times 1000} = \dfrac{38.22}{49}$.

On dividing 38.22 by 49, we get:

$\begin{array}{r} 0.78 \ 49 \overline{\smash{)} 38.22 } \ \underline{343} \phantom{0} \ 392 \ \underline{392} \ 0 \phantom{.} \end{array}$

Hence, $\dfrac{0.03822}{0.049} = \dfrac{38.22}{49} = 0.78$