math help

What is 21/11 + 2/11?

What is 21/11 + 2/11?

This is how we add

21
11
+
2
11

Step 1

Since our denominators match, we can add the numerators.

21 + 2 = 23

So what's the answer so far?

23
11

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...

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

No good. 13 is larger than 11. So we're done reducing.

There you have it! Here's the final answer to 21/11 + 2/11

21
11
+
2
11
=
23
11
© 2014 Randy Tayler