Question

Express the following mixed fractions as improper fractions:
$$3 \dfrac{1}{4}$$

Answer 1

$$3 \dfrac{1}{4}$$
It can be written as
$$= \left(3 \times 4 + 1\right)/4$$
By further calculation
$$= \left(12 + 1\right)/4$$
$$= 13/4$$