Convert 12.5 to a ratio (decimal 12.5 as a ratio)

12.5 as a ratio

Here we will show you how to convert the decimal number 12.5 to a ratio. In other words, we are going to convert the decimal number 12.5 to the a:b ratio format. The steps to converting the decimal number 12.5 to a ratio are as follows:

Step 1) Convert the decimal number to a fraction by making 12.5 the numerator and 1 the denominator, like this:

12.5 =

		12.5
		1

Step 2) Multiply the numerator and denominator by 10 to eliminate the decimal point.

		12.5 × 10
		1 × 10

		125
		10

Step 3) Simplify the fraction in the previous step by dividing the numerator and the denominator by the greatest common factor (GCF) of 125 and 10. (The GCF of 125 and 10 is 5.)

		125 ÷ 5
		10 ÷ 5

		25
		2

Step 4) Convert the fraction in the previous step to a ratio by replacing the divider line with a colon like this:

		25
		2

= 25:2

That's all there is to it. Now you know 12.5 as a ratio. Once again, below is the answer to the decimal number 12.5 converted to a ratio:

25:2

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