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What are the rules for adding subtracting multiplying and dividing fractions?

Anonymous

∙ 14y ago

Updated: 9/17/2023

no answer

Wiki User

∙ 14y ago

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Continue Learning about Math & Arithmetic

Do you need a common denominator when adding subtracting multiplying or dividing?

only when adding and subtracting

What are the examples of the uses of integers?

adding, subtracting, multiplying, dividing

How do you use a tool for adding subtracting multiplying and dividing numbers?

calculator

What maths skills do you need to be a carpenter?

Adding, subtracting, multiplying, dividing, and measuring

Do you need a common denominator for dividing fractions?

No only when adding or subtracting fractions a common denominator is needed

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Related Questions

How do you find a multiple when subtracting fractions?

Same as adding, multiplying, and dividing.

Can you multiply fractions that have a different demonminator?

Yes. When multiplying and dividing fractions your denominators do not have to be the same. The denominators only haveto be the same if you are subtracting or adding them.

Do you need a common denominator when adding subtracting multiplying or dividing?

only when adding and subtracting

What is a calculater used for?

A calculator is used for adding, subtracting, dividing, multiplying, decimals, or fractions and is also used for a lot of other uses too.

How are decimals used as a carpenter?

adding subtracting multiplying and dividing

What are the examples of the uses of integers?

adding, subtracting, multiplying, dividing

How is multiplying fractions by a whole number is different from adding adding and subtracting fractions with like denominators?

Adding and subtracting fractions can ONLY be done if the denominators are the same; then the calculation is done by adding or subtracting the numerators. Multiplying (and dividing) fractions does not require the denominators to be the same. To divide by a fraction the divisor is inverted (the original numerator becomes the new denominator and the original denominator becomes the new numerator) and then the fractions are multiplied. Multiplying fractions is achieved by multiplying the numerators together AND multiplying the denominators together. A whole number is the same as a fraction with the whole number as the numerator and a denominator of 1, so when multiplying by a whole number the denominator is multiplied by 1 (leaving it the same) and the is multiplication is effectively just multiplying the numerator by the whole number.

What types of math is there?

shape adding dividing subtracting multiplying perimeter area ratio proportion fractions algebra measurements and probably many others

How do you solve all fractions problems?

You basically have to learn separately how to do different things with fractions, including finding a common denominator; converting fractions to a different denominator; simplifying fractions; adding and subtracting fractions; multiplying fractions; dividing fractions.

What in math?

math is adding, subtracting, multiplying, dividing, angles and more

How do you use a tool for adding subtracting multiplying and dividing numbers?

calculator

math?

it have to deal with money cents percent dividing adding and other things

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