Q: What are the rules for fractions?

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The usual rules of addition of fractions apply.

You multiply the fractions until the denominators are equal. Then, you subtract.

Ensure that the denominators are the same when adding or subtracting fractions.

fractions help you write out divisibility rules because divisibility rules help with fractions . Glad I would help good bye

i think divisibility rules help with fractions because it helps you reduce the fraction to make i a simple fraction.

because its just one of the rules of math :)

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When multiplying 2 fractions, we multiply the two numerators together and the two denominators together.

Dissimilar fractions are fractions whose denominators are different. Any rules will depend on what you wish to do with them.

I assume you mean, with different denominators. If you want to add the fractions, subtract them, or compare them (determine which one is greater), you have to convert them to similar fractions (fractions with the same denominator) first. Converting to similar fractions is not necessary, and usually doesn't even help, if you want to multiply or divide fractions.

In order to multiply fractions with variables, factor all numerators and denominators completely. Use the rules for multiplying and dividing fractions, cancel any common factors, and leave your final answer in factored form.

Divide as you would divide positive fractions. That is, convert both fractions to positive, then do the division. After that, apply the rules for dividing positive and negative numbers. For example, if one of the fractions is positive and the other negative, the answer will be negative.

Simplifying fractions and finding the GCF is easy. All you have to do is put the fraction into simplest form and then put in a whole number.

first must find Least Common Denominator http://www.loisterms.com/lois21.htm First of all, if you want to know about adding fractions, check out "How to Add Fractions". Be sure to follow the math examples carefully. To subtract fractions, follow the same steps as for adding, except subtract where you would add. Now about those positive and negative signs. The rules are the same whether you are working with integers or fractions. I will give you a method of learning the rules for the signs that has worked for many other students. Copy off this "Rules for Integers" chart and paste it on a large index card. Put the card in your math book or folder and refer to it often while you are doing your homework. If you keep using the card, you will get better with the signs.

If the denominators are the same (which is what I understand by "similar fractions"), just subtract the numerators (the upper part).

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like fractions,unlike fractions proper fractions ,improperfractions equivalent fractions

Like fractions are the fractions which have the same denominator and unlike fractions are the fractions which do not have the same denominator.

As a review, similar fractions (also like fractions) are fractions having the same denominators

Rule #1 When two fractions have the same denominator, the bigger fraction is the one with the bigger numerator. Rule # 2 When comparing fractions that have the same numerator, the bigger fraction is the one with the smaller denominator. Rule # 3 You can convert the fractions and then just put the greater than, less than or equal to sign to see what the comparison is between the fractions.

to change dessimilar fractions to similar fractions you divide

There are three types of fractions that are used in mathematics. The three types of fractions are, mixed fractions, proper fractions, and improper fractions.

Regular fractions are the fractions with a numerator that is less than the denominator and irregular fractions are fractions with a denominator less than the numerator.

You can search YouTube for "divide fractions", and find several.However, it isn't really that complicated; just remember the following simple rules:To divide one fraction by another fraction, take the reciprocal of the second fraction, then multiply.If you have mixed fractions, convert them both to improper fractions, then proceed as above (multiply by the reciprocal).

Dissimilar fractions are fractions that have different denominators.

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