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for example 35/100

2007-07-23 08:04:44 · 9 answers · asked by Priscilla 1 in Science & Mathematics Mathematics

9 answers

35 / 100 = 7 / 20 (dividing top and bottom by 5)

2007-07-23 21:54:52 · answer #1 · answered by Como 7 · 0 0

The first step is to look at the factor of the numerator and denominator. In this case the factors are as follows:

numerator: 5, 7 (7 x 5 = 35)
denominator: 5, 5, 2, 2 (5 x 5 x 2 x 2 = 100)

Next, eliminate the common factors. In this example each side shares "5" as a factor.

What you are left with is a fraction in its lowest terms, 7 / 20.

2007-07-23 15:11:47 · answer #2 · answered by vanilla_thunderrr 1 · 0 0

35/100

Find Greatest Common Factor (GCF) of 35 and 100. The GCF is **5**. Now, divided both numerator and denominator (as different division problems) by **5**.
35 divided by 5 is **7**.
100 divided by 5 is **20**.
So, 35/100, in lowest terms, is **7/20**.

I don't think there are any exceptions to this rule.

2007-07-23 15:16:27 · answer #3 · answered by Anonymous · 0 0

Divide the top and bottom by the same number until you're left with two numbers that don't have any factors in common.

I know both 35 and 100 are divisible by 5, so dividing the top and bottom by 5 gives 7/20. Since 7 doesn't have any factors than 1 and 7, and since 7 isn't a factor of 20, then this is as simple as you can get it.

2007-07-23 15:06:37 · answer #4 · answered by Anonymous · 1 0

find a common factor in this case 5 is simple and easy then divide the top and bottom by that number. so now it would be 7/20. 7 & 20 do not have any common factors so therefore that is in lowest terms. i am not good at big math so i never try to find the biggest number in common i use little number i know they have in common like i normally use 2,3,5,10. like is u had 36/100. i see they have 2 in common. divide top n btoom by 2 and get 18/50. but isee they alos have 2 in common. divide again and get 9/25. they dont have any more in common so its in lowest terms. so if u use small number u might have to divide a couple of times.

2007-07-23 15:10:21 · answer #5 · answered by Anonymous · 0 0

Think of a number that is a factor for both the numerator and the denominator.

In this case, five works.

Divide both the numerator and the denominator by this factor.

35/100 = 7/20

See if you can make it any smaller. There are no smaller numbers that divide into both the numerator and the denominator, so this fraction has been reduced.

2007-07-23 15:07:30 · answer #6 · answered by Brian L 7 · 0 0

if you can still divide both numbers by a common number, then it is not in it's lowest terms.
in the case of 35/100 what numbers calculate to make 35: 5x7.
what numbers calculate to make 100 which are in common with 35?

in this case 5x20. so the lowest would be 7/20

2007-07-23 15:08:17 · answer #7 · answered by OJ J 2 · 0 0

Find the greatest common denomenator (it is more art that science) and divide both number by it....

For 35/100, 5 is the largest common denomenator (I ran through possible numbers that will divide by both 35 and 100 in my head to come up with this...

So the reduced fraction is 7/20

2007-07-23 15:08:59 · answer #8 · answered by Anonymous · 0 0

You divide it down.

In this case both the numerator and denominator are divisible by 5.....so you could reduce the fraction to
35 divided by five = 7
100 divided by five = 50

The fraction reduced to lowest terms is 7/50th's.

2007-07-23 15:07:53 · answer #9 · answered by nottashygirl 6 · 0 1

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