math help

What is 24/12 - 4/12?

What is 24/12 - 4/12?

Here's how to subtract 4/12 from 24/12:

24
12
 −
4
12

Step 1

Since our denominators match, we can subtract the numerators.

24 − 4 = 20

So the answer is:

20
12

Step 2

Last of all, we need to simplify the fraction, if possible. Can it be reduced to a simpler fraction?

To find out, we try dividing it by 2...

Are both the numerator and the denominator evenly divisible by 2? Yes! So we reduce it:

20
12
 ÷ 2 =
10
6

Let's try dividing by 2 again...

Are both the numerator and the denominator evenly divisible by 2? Yes! So we reduce it:

10
6
 ÷ 2 =
5
3

Let's try dividing by 2 again...

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

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

No good. 5 is larger than 3. So we're done reducing.

There you have it! The final answer is:
24
12
 −
4
12
 =
5
3

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