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When you multiply fractions which reciprocal do you use?
None. Multiply numerator by the numerator and denominator by denominator.
Do you cross multiply with fractions?
yes
What is a definition for ordering fractions?
to order fractions you can cross multiply two fractions at a time or you can convert all the fractions into decimals.
How do you Multiply 3 fractions?
Multiply the first two together and then multiply that total by the third.
Is it necessary to cross multiply when multiplying fractions?
No.
How can you use models to add fractions?
You can use models by doing simplify
What job do use for dividing fractions?
multiply
When you multiply fractions which reciprocal do you use?
None. Multiply numerator by the numerator and denominator by denominator.
What does it mean to multiply and divide fractions?
multiply and divide fractions!-.-
How do you find volume with fractions?
You multiply the fractions
How do you get a fraction of another fraction?
To get a fraction of another fraction you have to multiply the fractions. To multiply fractions, just use this simple algorithm: Step 1-Turn all whole numbers and mixed numbers into improper fractions. Step 2-Multiply the numerators of the 2 fractions. The answer to that problem will be the numerator of the answer. Step 3-Multiply the denominators of the 2 fractions. The answer to that problem will be the denominator of the answer. Step 4-Reduce.
Do you multiply the denominator when you multiply fractions?
Yes you do.
Why do you not use common denominators while multiplying fractions?
probably to multiply easier
How do you multiply fractions with variables?
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.
What is the difference between cross and across?
When you add or subtract fractions you cross multiply and when you multiply or divide fractions you across multiply.
Why do you invert fractions?
When you divide by fractions, you invert and multiply.
When you multiply fractions do you multiply the denominator?
yes. you multiply the numerator and denominator
