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To get the reciprocal of a fraction, exchange the numerator and denominator.
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∙ 11y ago
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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.
How does dividing a number by a fraction involve multiplication?
When dividing by a fraction, the answer is obtained by multiplying by the reciprocal.
When you divide one fraction and another why do you have to turn it into a reciprocal?
To divide by a fraction, you multiply by its reciprocal. This is related to the facts that (1) division is the opposite of multiplication, and (2) a reciprocal is the multiplicative "opposite" of a number.
How is multiplication and division of fractions alike and different?
Division by a fraction is the same as multiplication by its reciprocal. The reciprocal of a number x is 1 over x. So the reciprocal of 2/5, for example, is 5/2.
How is the multiplication of fractions and division of fractioms alike and different?
Division is the multiplication by the reciprocal or multiplicative inverse. In simpler language, to divide by a fraction change the division sign to multiplication and flip the fraction.
Why is multiplying by the reciprocal the same as divining a fraction?
It is because division by a non-zero number is the inverse operation of multiplication of multiplication.
What is the reciprocal of number 72 in fraction form?
The multiplicative inverse of a quantity may, when the operation of multiplication is commutative, be called its reciprocal. Thus the reciprocal of 72 is 1/72.
What ia a reciprocal fraction?
The reciprocal of the fraction is simply the fraction raised to the -1 power. Simply "flip the fraction upside down" to find the reciprocal. e.g. 3/23 has a reciprocal of 23/3.
How can you divide a fraction by a fraction using multiplication?
You find the reciprocal of the second fraction- flip it over. And then you multiply the two fractions.So (a/b) / (c/d) = (a/b) * (d/c)You find the reciprocal of the second fraction- flip it over. And then you multiply the two fractions.So (a/b) / (c/d) = (a/b) * (d/c)You find the reciprocal of the second fraction- flip it over. And then you multiply the two fractions.So (a/b) / (c/d) = (a/b) * (d/c)You find the reciprocal of the second fraction- flip it over. And then you multiply the two fractions.So (a/b) / (c/d) = (a/b) * (d/c)
What is reciprocal of -3?
1/3. The fraction for 3 is 3/1, and to find a reciprocal, you have to flip the fraction.
How can you use multiplication to divide one fraction by another?
To divide two fractions, multiply the first by the reciprocal of the second.
How do you find the reciprocal of a whole number and a fraction?
Number x Reciprocal = 1 Therefore Reciprocal = 1/Number
