Step 1

We can"t add two fountain with various denominators (the bottom number). So you require to gain a common denominator - both bottom numbers have to match. To carry out this, you"ll multiply the denominators times each other... Yet the numerators have to change, too. They acquire multiplied by the other term"s denominator.

You are watching: What is 1/8 of 1

So we multiply 1 by 10, and get 10, then us multiply 8 by 10 and also get 80.

*

Do the exact same for the second term. We multiply 1 by 8, and get 8, climate multiply 8 by 10 and get 80.

*

So currently our fountain look like this:

10
80
+8
80

Step 2

Since our platform match, we can add the numerators.

10 + 8 = 18

Now we have an answer.

18
80

Step 3

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

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

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

18
80
÷ 2 =9
40

So far so good... Let"s try to division by that number again.

No good. So following you shot the following prime number, i beg your pardon is 3...

No good. So next you try the following prime number, i beg your pardon is 5...

No good. So next you shot the next prime number, i m sorry is 7...

No good. So next you shot the following prime number, i beg your pardon is 11...

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No good. 11 is bigger than 9. So we"re done reducing.

And we"re done! Here"s the final answer come 1/8 + 1/10
1
8
+1
10
=9
40

© 2014 Randy Tayler
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