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sciencing.com/negative-positive-number-rules-8630448.html

When subtracting a negative from a negative, such as -6 - -4, switch -4 to positive 4 and add the values together to have -6 + 4, giving -2 following the addition rules. To subtract a positive and negative number, 12 - -9, switch the -9 to 9 and add the values to get 21.

www.thoughtco.com/cheat-sheet-positive-negative-numbers-2312519

Learn about the rules of positive and negative integers. Improve your math skills with tips for addition, subtraction, multiplication, and division. ... figures that do not have fractions or decimals, ... the rules for dividing integers follow the same positive/negative guide. Dividing two negatives or two positives yields a positive number: 12 ...

www.wyzant.com/.../negative_fractions_decimals_and_percents

Negative Fractions. Negative fractions are dealt with in the same way as whole negative numbers, and can also be calculated on a number line. For example, take the following problem and solution: This would follow the normal rule for adding positive numbers to negative numbers—start at the negative number, and count forwards (add).

www.khanacademy.org/.../alg-basics-fractions/e/adding_and_subtracting_fractions

Multiplying positive and negative fractions Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501(c)(3) nonprofit organization.

www.khanacademy.org/.../v/multiplying-negative-and-positive-fractions

If both are positive, it's positive. If both are negative, it's positive. Let's do one more example. Let's take 5-- I'm using the number 5 a lot. So let's do 3/2, just to show that this would work with improper fractions. 3/2 times negative 7/10. I'm arbitrarily picking colors. And so our numerator is going to be 3 times negative 7. 3 times ...

sciencing.com/add-subtract-negative-fractions-7720449.html

The process of adding and subtracting negative fractions can be straightforward, if you keep in mind two things. A negative fraction added to another negative fraction will result in a negative fraction as result. A negative fraction subtracted from another is the same thing as adding the positive complement of that fraction.

sciencing.com/multiply-fractions-negative-numbers-7800872.html

When you multiply a fraction by another fraction or a fraction by a whole number, the rules of fractions dictate the form of the answer. If at least one of the values is negative, you also use the rules for positive and negative signs to determine if the result is positive or negative.

www.mathwords.com/f/fraction_rules.htm

The fraction is undefined. What about ? It's undefined, too, but for a slightly different reason. If you multiply the 0 in the denominator by any number at all you get the 0 in the numerator. It seems that can equal any number. As a result we say is indeterminate, which is a special kind of undefined expression. B. Negative Fractions. 1. is the ...

www.youtube.com/watch?v=PguxWIBqwrs

Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the ...

www.varsitytutors.com/.../topics/adding-and-subtracting-fractions-negatives

When you are adding or subtracting a negative fraction, you usually want to consider the numerator as negative. The method is just the same, except now you may need to add negative or positive numerators. 9 5 + (− 4 3) The LCM of 5 and 3 is 15 . To add the fractions with unlike denominators, rename the fractions with a common denominator.