Question

Change the decimal number 3.5 into a mixed number​

Answer 1

Answer: $3\frac{1}{2}$

Multiply

$3.5/1*10/10=35/10$

Divide each side by 5

$35/10$  ÷  $5/5=7/2$

$7/2=3\frac{1}{2}$

Answer 2

Answer:

$\frac{3.5}{1} \frac{ \times }{ \times } \frac{10}{10} = \frac{35}{10} \\ \frac{35}{10} \frac{ \div }{ \div } \frac{5}{5} \\ = \frac{7}{2} = 3 \frac{1}{2}$

hope this helps you...