What Is 1/2 + 3/4? - MathHelper

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math help What is 1/2 + 3/4? What is 1/2 + 3/4?

This is how we add

1
2
 +
3
4

Step 1

Our denominators (bottom numbers) don't match, so we can't add yet.

Since 2 is evenly divided by 4, we can multiply just one term to get a common denominator.

Multiply 1 by 2, and get 2, then we multiply 2 by 2 and get 4.

1/2 times 2

The problem now has new fractions to add:

2
4
 +
3
4

Step 2

Since our denominators match, we can add the numerators.

2 + 3 = 5

This yields the answer

5
4

Step 3

The last step is to reduce the fraction if we can.

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

Nope. Try the next prime number, 3...

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

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

Congratulations! Here's your final answer to 1/2 + 3/4

1
2
 +
3
4
 =
5
4
© 2014 Randy Tayler 3/4 + 1/23/4 - 1/23/4 + 1/33/4 - 1/33/4 + 2/33/4 - 2/33/4 + 1/43/4 - 1/43/4 + 2/43/4 - 2/43/4 + 3/43/4 - 3/43/4 + 1/53/4 - 1/53/4 + 2/53/4 - 2/53/4 + 3/53/4 - 3/53/4 + 4/53/4 - 4/53/4 + 1/63/4 - 1/63/4 + 2/63/4 - 2/63/4 + 3/63/4 - 3/63/4 + 4/63/4 - 4/63/4 + 5/63/4 - 5/63/4 + 1/73/4 - 1/73/4 + 2/73/4 - 2/73/4 + 3/73/4 - 3/73/4 + 4/73/4 - 4/73/4 + 5/73/4 - 5/73/4 + 6/73/4 - 6/73/4 + 1/83/4 - 1/83/4 + 2/83/4 - 2/83/4 + 3/83/4 - 3/83/4 + 4/83/4 - 4/83/4 + 5/83/4 - 5/83/4 + 6/83/4 - 6/83/4 + 7/83/4 - 7/83/4 + 1/93/4 - 1/93/4 + 2/93/4 - 2/93/4 + 3/93/4 - 3/93/4 + 4/93/4 - 4/93/4 + 5/93/4 - 5/93/4 + 6/93/4 - 6/93/4 + 7/93/4 - 7/93/4 + 8/93/4 - 8/93/4 + 1/103/4 - 1/103/4 + 2/103/4 - 2/103/4 + 3/103/4 - 3/103/4 + 4/103/4 - 4/103/4 + 5/103/4 - 5/103/4 + 6/103/4 - 6/103/4 + 7/103/4 - 7/103/4 + 8/103/4 - 8/103/4 + 9/103/4 - 9/103/4 + 1/113/4 - 1/113/4 + 2/113/4 - 2/113/4 + 3/113/4 - 3/113/4 + 4/113/4 - 4/113/4 + 5/113/4 - 5/113/4 + 6/113/4 - 6/113/4 + 7/113/4 - 7/113/4 + 8/113/4 - 8/113/4 + 9/113/4 - 9/113/4 + 10/113/4 - 10/113/4 + 1/123/4 - 1/123/4 + 2/123/4 - 2/123/4 + 3/123/4 - 3/123/4 + 4/123/4 - 4/123/4 + 5/123/4 - 5/123/4 + 6/123/4 - 6/123/4 + 7/123/4 - 7/123/4 + 8/123/4 - 8/123/4 + 9/123/4 - 9/123/4 + 10/123/4 - 10/123/4 + 11/123/4 - 11/12

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