Question

Which is the correct expression of thedecimal 0.45 as a ratio reduced tolowest terms?O 4:5O 9:209:45

Answer 1

Given

decimal 0.45

Find

Ratio reduced to lowest terms

Explanation

first we have to convert it into lowest terms by removing the decimal.

0.45 = 45 /100

now divide by numerator and denominator by 5 .

$\begin{gathered} \frac{45\div5}{100\div5} \\ \\ \frac{9}{20} \end{gathered}$

ratio is 9: 20

Final Answer

Therefore , the correct option is 9 : 20