math help

What is 1/4 + 10/11?

What is 1/4 + 10/11?

Here's how you add

1
4
+
10
11

Step 1

Of course, you can't add two fractions if the denominators (bottom numbers) don't match. To get a common denominator, multiply the denominators together. Then we fix the numerators by multiplying each one by their other term's denominator.

Now you multiply 1 by 11, and get 11, then we multiply 4 by 11 and get 44.

1/4 times 11

Do the same for the second term. We multiply 10 by 4, and get 40, then multiply 4 by 11 and get 44.

10/11 times 4

The problem now has new fractions to add:

11
44
+
40
44

Step 2

Since our denominators match, we can add the numerators.

11 + 40 = 51

This yields the answer

51
44

Step 3

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

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

No good. So next you try the next prime number, which is 3...

No good. So next you try the next prime number, which is 5...

No good. So next you try the next prime number, which is 7...

No good. So next you try the next prime number, which is 11...

No good. So next you try the next prime number, which is 13...

No good. So next you try the next prime number, which is 17...

No good. So next you try the next prime number, which is 19...

No good. So next you try the next prime number, which is 23...

No good. So next you try the next prime number, which is 29...

No good. So next you try the next prime number, which is 31...

No good. So next you try the next prime number, which is 37...

No good. So next you try the next prime number, which is 41...

No good. So next you try the next prime number, which is 43...

No good. So next you try the next prime number, which is 47...

No good. 47 is larger than 44. So we're done reducing.

And we're done! Here's the final answer to 1/4 + 10/11

1
4
+
10
11
=
51
44
© 2014 Randy Tayler

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