Chapter 6, Problem 1IR

Write each ratio as a ratio of whole numbers using fractional notation. Write the fraction in simplest form.

1. 18 to 20

To determine

To Write: The fraction 18 to 20 in simplest form.

Answer to Problem 1IR

The fraction in simplest form is $\frac{9}{10}$ .

Explanation of Solution

Given info:

18 to 20

Concept used:

The ratio of a number a to b in fractional notation written as

  $\frac{a}{b}$

In fraction, ais called the numerator and b is called the denominator.

Calculation:

Substitute, $a=18\text{and }b\text{= 20}$ in $\frac{a}{b}$ and simplify.

  $\frac{18}{20}$

Divide numerator and denominator by greatest common factor 2,

  $\frac{\frac{18}{2}}{\frac{20}{2}}=\frac{9}{10}$

Conclusion:

Thus, $\frac{9}{10}$ is the simplified fraction for $\frac{18}{20}$ .