math help

What is 10/12 + 11/12?

What is 10/12 + 11/12?

This is how we add

10
12
 +
11
12

Step 1

Since our denominators match, we can add the numerators.

10 + 11 = 21

So what's the answer so far?

21
12

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...

Are both the numerator and the denominator evenly divisible by 3? Yes! So we reduce it:

21
12
 ÷ 3 =
7
4

Let's try dividing by that again...

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

No good. 5 is larger than 4. So we're done reducing.

There you have it! Here's the final answer to 10/12 + 11/12

10
12
 +
11
12
 =
7
4
© 2014 Randy Tayler

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