Since 4 is evenly separated by 20, we can multiply simply one term to gain a common denominator.

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Multiply 3 through 5, and also get 15, then us multiply 4 by 5 and also get 20.

So now our fountain look like this:

1
 20
+15
20

## Step 2

Since our platform match, us can include the numerators.

1 + 15 = 16

16
 20

## Step 3

Last the all, we need to simplify the fraction, if possible. Have the right to it be reduced to a easier fraction?

To uncover out, we shot dividing that by 2...

Are both the numerator and also the denominator evenly divisible through 2? Yes! therefore we alleviate it:

16
 20
÷ 2 =8
10

Now, shot the same number again.

Are both the numerator and also the denominator evenly divisible by 2? Yes! therefore we minimize it:

 8 10
÷ 2 =4
5

Now, try the exact same number again.

Nope. Shot the following prime number, 3...

Nope. Shot the next prime number, 5...

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No good. 5 is bigger than 4. Therefore we"re done reducing.

 1 20
+3
4
=4
5

3/4 + 1/2
3/4 - 1/2
3/4 + 1/3
3/4 - 1/3
3/4 + 2/3
3/4 - 2/3
3/4 + 1/4
3/4 - 1/4
3/4 + 2/4
3/4 - 2/4
3/4 + 3/4
3/4 - 3/4
3/4 + 1/5
3/4 - 1/5
3/4 + 2/5
3/4 - 2/5
3/4 + 3/5
3/4 - 3/5
3/4 + 4/5
3/4 - 4/5
3/4 + 1/6
3/4 - 1/6
3/4 + 2/6
3/4 - 2/6
3/4 + 3/6
3/4 - 3/6
3/4 + 4/6
3/4 - 4/6
3/4 + 5/6
3/4 - 5/6
3/4 + 1/7
3/4 - 1/7
3/4 + 2/7
3/4 - 2/7
3/4 + 3/7
3/4 - 3/7
3/4 + 4/7
3/4 - 4/7
3/4 + 5/7
3/4 - 5/7
3/4 + 6/7
3/4 - 6/7
3/4 + 1/8
3/4 - 1/8
3/4 + 2/8
3/4 - 2/8
3/4 + 3/8
3/4 - 3/8
3/4 + 4/8
3/4 - 4/8
3/4 + 5/8
3/4 - 5/8
3/4 + 6/8
3/4 - 6/8
3/4 + 7/8
3/4 - 7/8
3/4 + 1/9
3/4 - 1/9
3/4 + 2/9
3/4 - 2/9
3/4 + 3/9
3/4 - 3/9
3/4 + 4/9
3/4 - 4/9
3/4 + 5/9
3/4 - 5/9
3/4 + 6/9
3/4 - 6/9
3/4 + 7/9
3/4 - 7/9
3/4 + 8/9
3/4 - 8/9
3/4 + 1/10
3/4 - 1/10
3/4 + 2/10
3/4 - 2/10
3/4 + 3/10
3/4 - 3/10
3/4 + 4/10
3/4 - 4/10
3/4 + 5/10
3/4 - 5/10
3/4 + 6/10
3/4 - 6/10
3/4 + 7/10
3/4 - 7/10
3/4 + 8/10
3/4 - 8/10
3/4 + 9/10
3/4 - 9/10
3/4 + 1/11
3/4 - 1/11
3/4 + 2/11
3/4 - 2/11
3/4 + 3/11
3/4 - 3/11
3/4 + 4/11
3/4 - 4/11
3/4 + 5/11
3/4 - 5/11
3/4 + 6/11
3/4 - 6/11
3/4 + 7/11
3/4 - 7/11
3/4 + 8/11
3/4 - 8/11
3/4 + 9/11
3/4 - 9/11
3/4 + 10/11
3/4 - 10/11
3/4 + 1/12
3/4 - 1/12
3/4 + 2/12
3/4 - 2/12
3/4 + 3/12
3/4 - 3/12
3/4 + 4/12
3/4 - 4/12
3/4 + 5/12
3/4 - 5/12
3/4 + 6/12
3/4 - 6/12
3/4 + 7/12
3/4 - 7/12
3/4 + 8/12
3/4 - 8/12
3/4 + 9/12
3/4 - 9/12
3/4 + 10/12
3/4 - 10/12
3/4 + 11/12
3/4 - 11/12