How to add fractions involving negative numbers, Mathematics

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Q. How to add fractions Involving Negative Numbers?

Ans.

Adding fractions involving negative numbers, and subtracting them, are only slightly different. But, I'll write down separate instructions for adding and subtracting.


Adding fractions

There are three different kinds of additions you might see involving negative numbers

1. Positive (+) + negative (-)

2. Negative (-) + Positive (+)

These first two cases are basically the same.

1770_How to add fractions Involving Negative Numbers.gif

Here's an example: Notice that if the negative fraction had come first, it would have been done exactly the same way:

314_How to add fractions Involving Negative Numbers1.gif

3. Negative(-) + negative(-).

Here's an example (compare it to the example above):

1293_How to add fractions Involving Negative Numbers2.gif

Notice that I put the negative sign in the numerator instead of the denominator. It's just more convenient that way-remember, it doesn't matter where the negative sign on a fraction goes.

839_How to add fractions Involving Negative Numbers3.gif


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