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They are different in the same way that subtraction of integers is different from their addition.

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2017-09-17 16:24:31
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Q: How is subtraction and rational numbers are different from adding?
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Related questions

How is subtraction rational numbers different from adding?

Subtraction is not commutative nor associative.

IF you are adding two rational numbers with different signs?

Then you are adding two rational numbers with different signs! No big deal!

What is the rule in adding rational numbers?

what is the rule in adding rational numbers

How is subtracting fractions different from adding fractions?

In subtraction you take away rather than add. Also, addition is commutative, subtraction is not so the order of the numbers does matter for subtraction.

When adding two rational numbers with different signs the sum will be zero Is this aways sometimes or never true?

sometimes true (when the rational numbers are the same)

What kinds of problems can you solve by adding the different types of rational numbers?

There is only one type of rational number so there are no different types which you can add.

What are composite numbers used for?

Well they are used for multipling dividing adding and subtraction

How do you add rational numbers?

By finding their common denominator & adding the top numbers of-the fractions. : )

How is adding rational numbers different than adding whole numbers?

Whole numbers are rational numbers with a denominator of 1. The difference with general rational numbers is that the denominators are likely to be different and they must be made the same by converting the fractions into equivalent fractions with the same denominator before the addition can be done - by adding the numerators and keeping the denominator, and simplifying (if possible) the result. With whole numbers the denominators are already the same (as 1) and so the addition can be done straight away.

When adding two positive rational numbers will the sum always be zero?


How do operations such as addition or subtraction work on numbers?

Addition works by adding numbers together: 2+3=5. Subtraction works by taking numbers away from each other : 3-2=1.

Why is the sum and product of two rational numbers is rational?

A rational number can be stated in the form a/b where and b are integers. Adding or multiplying such numbers always gives another number that can be expressed in this form also. So it is also rational.

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