How do you subtract fractions?

When subtracting factions you need to have both denominators be the same

Let's use an example. . .

Step-by-step explanation:

1.

We can see here our denominators aren't the same. To get them to be equal, we have to multiply them by each other.

2.

Notice that when we do multiply, we also have to multiply the top! What's done to the bottom needs to be done to the top.

3. Let's go into the multiplication:

On the left side

Numerator: 3 · 3 = 9

Denominator: 3 · 4 = 12

On the right side

Numerator: 4 · 1 = 4

Denominator: 4 · 3 = 12

4.

Now all we do here is subtract the numerator. The denominator does not get subtracted, it stays the same.

5.

Tada!

The most important thing to remember is

45

step-by-step explanation:

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