P>Now what about converting a decimal into a fraction? How can we do that? Notice that we have one digit to the right of the decimal. It's in the tenths place. What you want to do is put it over one and multiply the top and the bottom by ten. If there are two digits, use one hundred. For example, 0.3 times ten is basically equal to three. You just have to move the decimal point one unit to the right. 1 times 10 is 10, so 0.3 is the same as 3 over 10. That's how you can convert it into a fraction. Let's try another example: 0.36. Go ahead and convert that into a fraction. Notice that we have two digits to the right of the decimal point. So in this case, we're going to multiply the top and the bottom by one hundred. 0.36 times 100 is 36 and 1 times 100 is 100. Now let's reduce it. Both numbers are divisible by 4. 36 divided by 4 is equal to 9, and 100 divided by 4 is 25. So 0.36 is 9 over 25 as a fraction. Now what about 3.75? Let's try that. So we're going to do the same thing, we're going to multiply it by one hundred over 100, and this will give us 375 over 100. Now both numbers are divisible by 5. Any time a number ends in 5, or it's divisible by 5. So let's divide each by 5. 375 divided by 5 is 75, and 100 divided by 5 is 20. So now notice that we can divide it by 5 again. 20 divided by 5 is 4, and 75 divided by 5 is 15. So the final answer is 15 divided by 4, that's equal to 3.75. And...
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