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That is correct. To divide by a half, you are actually multiplying by two. ■

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โˆ™ 2010-01-25 23:25:46
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Q: When dividing by a fraction can you multiply by its reciprocal?
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Related questions

When dividing fractions is a reciprocal used by multiplying?

Yes. One method for dividing fractions is to multiply the numerator fraction by the reciprocal of the denominator fraction.

What is the algorithm for dividing a fraction by a fraction?

Multiply the first fraction by the reciprocal of the second. That is, flip the second fraction over and then multiply the two.

Why is it that we don't divide on a dividing fraction?

It's easier to multiply the reciprocal.

How are reciprocals used when dividing fractions?

When dividing fractions, take the reciprocal of the second fraction, and multiply the first fraction by the reciprocal of the second fraction. Example: (a/b)/(c/d)=(a/b)*(d/c)

Why do you turn the fraction upside down and multiply?

Dividing by a fraction is equivalent to multiplying by its reciprocal. A reciprocal fraction is effectively "turning it upside-down". So, to divide by a faction, you should do as stated; turn the fraction upside-down and multiply.

What is the reciprocal of -p over 4?

Reciprocal just means that you flip the fraction... your fraction is -p/4 the reciprocal is 4/-p the reciprocal is extremely important when dividing fractions. because when you divide fractions you have to take the reciprocal of the bottom fraction and then multiply it to your top fraction to get your answer.

How do you describe dividing fractions in two sentences?

Change the second fraction to its reciprocal. Multiply them.

What is a reciprocal in math fractions?

A reciprocal is when you take the second fraction in a division problem and flip it Then change the sign to multiply. THIS ONLY WORKS WHEN YOU ARE DIVIDING FRACTIONS!

What is the definition of dividing a fraction?

Dividing a friction is multiplying by its reciprocal. The reciprocal of a fraction is the numerator and the denominator switched around.

What algorithm makes sense for dividing any fraction by any whole number?

multiply by the reciprocal of the whole number

Why is the quotient larger than the dividend when dividing by a unit fraction?

Rules for dividing by a fraction are multiply by the reciprocal. The reciprocal of a unit fraction is a whole number. Multiplying by a whole number will make the answer (quotient) larger. ex unit fraction 1/a 7 divided by 1/a = 7 x a/1 = 7a .... a times larger than 7.

What is fourteen divided by one-fifth?

To divide by a fraction is the same as to multiply by the reciprocal. Instead of dividing by 1/5, multiply by 5/1, that is, by 5.

What do you do when you are dividing a fraction?

When dividing a fraction you leave the first fraction as it is and you change the second fraction into a reciprocal (flip the fraction). Once you have changed the second fraction into a reciprocal, then you would simply *multiply the two fractions together. Once you multiply the two fractions then that would be your final answer. Dont forget to simplify! And remember if the fractions are mixed numbers before you do anything you must change the mixed numbers into improper fractions first! hope this helps! *If you dont know how to multiply fractions then thats a different question

How does dividing a number by a fraction involve multiplication?

When dividing by a fraction, the answer is obtained by multiplying by the reciprocal.

How do you divide a reciprocal fraction?

multiply by the reciprocal

How do you divide fractions with un common denominators?

When dividing fractions, the denominators don't matter. Multiply the first fraction by the reciprocal of the second.

How is dividing rational expressions like multiplying rational expressions?

To divide by a fraction, you simply multiply by the reciprocal. For example, dividing by 3/5 is the same as multiplying by 5/3.

What operation is the same as dividing by a fraction?

Multiplying by the reciprocal of the fraction.

What is 2of7 divided by 2of3 equal?

To divide a fraction by another fraction, multiply the reciprocal of the dividing fraction. The reciprocal is where the numerator (number on top) is switched with the denominator (number on bottom), so the reciprocal of 2/3 is 3/2. so 2x3/7x2 = 6/14, which reduces down to 3/7.

When dividing fractions you multiply by the reciprocal of this fraction?

Yes. For example, if you're trying to find our 5/9 divided by 4/8, you multiply 5/9 by 8/4, giving you 40/36. (In most cases, simplification is necessary.)

Why do you take the reciprocal of the second fraction when dividing?

Because division by a number (the second fraction) is the same as multiplication by its reciprocal.

What is a flipped fraction called?

When the numbers within a fraction are reversed, this is called a reciprocal. A reciprocal is useful when dividing fractions - dividing by a fraction is the same as multiplying by its reciprocal.For example, 4 / 2/3 = 4 x 3/2 = 6.

When your dividing by a fraction what do you multiply it by its value or reciprocal?

first of all what stupid person asks questions from the homework on wiki but some are 9: 1,3,9 6:2,3,1,6

What do you multiply by a fraction to get 1?

The 'flip' (the reciprocal) of the same fraction.

Why is it that when solving a dividing fractions problem no actual dividing happens?

It's easier to multiply the reciprocal.