Asked by Mike
Write an equivalent FRACTION to 5/8 that has a denominator of 40
then reduce 25/40 = 5/8 or would the answer still be 25/40
then reduce 25/40 = 5/8 or would the answer still be 25/40
Answers
Answered by
drbob222
To do this is simply if you remember how to convert from one denominator to the other. I start by writing the two numbers side by side like so.
5/8 = ?/40
Then 8 goes into 40 how many times? That would be 5. Then 5 x the numerator = 25, so the answer is 25/40. You can always check it to see if it reduces to 5/8 and it will because both numerator and denominator can be divided by 5 to give 5/8.
5/8 = ?/40
Then 8 goes into 40 how many times? That would be 5. Then 5 x the numerator = 25, so the answer is 25/40. You can always check it to see if it reduces to 5/8 and it will because both numerator and denominator can be divided by 5 to give 5/8.
Answered by
Guido
Your set up is correct.
I will replace ? with x and solve for x.
5/8 = x/40
We now cross-multiply.
8 times x = 8x.
5 times 40 = 200
We now have:
8x = 200
To find x, we divide both sides of the equation by 8.
x = 200/8
x = 25
What is the same fraction as 5/8?
The answer is 25/40.
Done!
I will replace ? with x and solve for x.
5/8 = x/40
We now cross-multiply.
8 times x = 8x.
5 times 40 = 200
We now have:
8x = 200
To find x, we divide both sides of the equation by 8.
x = 200/8
x = 25
What is the same fraction as 5/8?
The answer is 25/40.
Done!
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