math help

What is 87/100 + 3/5?

What is 87/100 + 3/5?

This is how to add

87
100
+
3
5

Step 1

Now we need to make our denominators match.

100 goes into 5 evenly, so we only need to multiply one term to get a common denominator.

Multiply 3 by 20, and get 60, then we multiply 5 by 20 and get 100.

3/5 times 20

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...

Nope! So now we try the next greatest prime number, 3...

Nope! So now we try the next greatest prime number, 5...

Nope! So now we try the next greatest prime number, 7...

Nope! So now we try the next greatest prime number, 11...

Nope! So now we try the next greatest prime number, 13...

Nope! So now we try the next greatest prime number, 17...

Nope! So now we try the next greatest prime number, 19...

Nope! So now we try the next greatest prime number, 23...

Nope! So now we try the next greatest prime number, 29...

Nope! So now we try the next greatest prime number, 31...

Nope! So now we try the next greatest prime number, 37...

Nope! So now we try the next greatest prime number, 41...

Nope! So now we try the next greatest prime number, 43...

Nope! So now we try the next greatest prime number, 47...

Nope! So now we try the next greatest prime number, 53...

Nope! So now we try the next greatest prime number, 59...

Nope! So now we try the next greatest prime number, 61...

Nope! So now we try the next greatest prime number, 67...

Nope! So now we try the next greatest prime number, 71...

Nope! So now we try the next greatest prime number, 73...

Nope! So now we try the next greatest prime number, 79...

Nope! So now we try the next greatest prime number, 83...

Nope! So now we try the next greatest prime number, 89...

Nope! So now we try the next greatest prime number, 97...

Nope! So now we try the next greatest prime number, 101...

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

There you have it! Here's the final answer to 87/100 + 3/5

87
100
+
3
5
=
147
100
© 2014 Randy Tayler