The decimal number -0.18 expressed in its simplest form is -9/50
Fractions are written as a ratio of two integers. For instance a/b is a fraction.
According to the question, we are to write the decimal -0.18 as a fraction or mixed number.
Convert to fraction
-0.18 = -18/100
Write in its simplest form
-18/100 = -9*2/50*2
The value of 2 will cancel out at both numerator and denominator to have;
-18/100 = -9/50
Hence the decimal number -0.18 expressed in its simplest form is -9/50
Learn more on fraction and decimal here: https://brainly.com/question/703656
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