math help

What is 4/10 + 9/10?

What is 4/10 + 9/10?

Here's how you add

4
10
+
9
10

Step 1

Since our denominators match, we can add the numerators.

4 + 9 = 13

That gives us an answer of

13
10

Step 2

Can this fraction be reduced?

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...

No good. 11 is larger than 10. So we're done reducing.

There you have it! Here's the final answer to 4/10 + 9/10

4
10
+
9
10
=
13
10
© 2014 Randy Tayler