The first method is Renaming. It is when you multiply the fraction until it begins with 1, and is a multiple of 10. Such as 10, 100, 1000, 10000, and etc. I do not prefer this method. I prefer the division method. It is when you divide the numerator by the denominator. I will now demonstrate both methods. The first method, I will use 4/25. I will multiply it by 4 which gives me 16/100. This method may seem really good, but what will you do when you get a number like 4/7.
You would have to multiply 4/7 by a number like 14.2857142857. Numbers like these are really ugly. Now, I will demonstrate the second method using 4/25. 4 divided by 25 is 0.16. This method is easy to use with numbers like 4/7 as well. 4 divided by 7 is 0.57142857142. This number is long, You would have gotten the same answer through both methods. It is a matter of how you get there. The second method is a lot faster and efficient. I personally prefer this method since this method is a lot easier.
You would have to multiply 4/7 by a number like 14.2857142857. Numbers like these are really ugly. Now, I will demonstrate the second method using 4/25. 4 divided by 25 is 0.16. This method is easy to use with numbers like 4/7 as well. 4 divided by 7 is 0.57142857142. This number is long, You would have gotten the same answer through both methods. It is a matter of how you get there. The second method is a lot faster and efficient. I personally prefer this method since this method is a lot easier.
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