math help

What is 87/100 + 6/10?

What is 87/100 + 6/10?

Here's how to add

87
100
 +
6
10

Step 1

We have to make sure the denominators are equal.

100 goes into 10 evenly, so we only need to multiply one term to get a common denominator.

Multiply 6 by 10, and get 60, then we multiply 10 by 10 and get 100.

6/10 times 10

We now have a new problem, that looks like this:

87
100
 +
60
100

Step 2

Since our denominators match, we can add the numerators.

87 + 60 = 147

Answer:

147
100

Step 3

Now, do we need to simplify this fraction?

First, we attempt to divide it by 2...

No good. So next you try the next prime number, which is 3...

No good. So next you try the next prime number, which is 5...

No good. So next you try the next prime number, which is 7...

No good. So next you try the next prime number, which is 11...

No good. So next you try the next prime number, which is 13...

No good. So next you try the next prime number, which is 17...

No good. So next you try the next prime number, which is 19...

No good. So next you try the next prime number, which is 23...

No good. So next you try the next prime number, which is 29...

No good. So next you try the next prime number, which is 31...

No good. So next you try the next prime number, which is 37...

No good. So next you try the next prime number, which is 41...

No good. So next you try the next prime number, which is 43...

No good. So next you try the next prime number, which is 47...

No good. So next you try the next prime number, which is 53...

No good. So next you try the next prime number, which is 59...

No good. So next you try the next prime number, which is 61...

No good. So next you try the next prime number, which is 67...

No good. So next you try the next prime number, which is 71...

No good. So next you try the next prime number, which is 73...

No good. So next you try the next prime number, which is 79...

No good. So next you try the next prime number, which is 83...

No good. So next you try the next prime number, which is 89...

No good. So next you try the next prime number, which is 97...

No good. So next you try the next prime number, which is 101...

No good. 101 is larger than 100. So we're done reducing.

And we're done! Here's the final answer to 87/100 + 6/10

87
100
 +
6
10
 =
147
100
© 2014 Randy Tayler

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