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Why is multiplying or dividing the numerator and the denominator by the same number the same as multiplying or dividing the fraction by 1?
Because multiplying or dividing them by the same NON-ZERO number does not alter their ratio.
What is the same as dividing a number by 10?
Dividing a number by 10 is the same as multiplying that number by 0.1. Additionally, it can be seen as shifting the decimal point of the number one place to the left. For example, dividing 25 by 10 gives 2.5, which is the same as 25 multiplied by 0.1.
Why does the method of dividing fractions work?
This is related to the fact that dividing by a number is the same as multiplying with the number's reciprocal.
Could you answer Dividing a number by 2.5 is the same as multiplying a number by what?
it is the same as multiplying by 0.4
Is finding twenty percent of a number the same as dividing the number by 4?
No. By definition, 20% is equal to 0.2. Multiplying a number by 0.2 is not equal to dividing it by four. Finding 25% of a number is equal to dividing that number by 4. Finding 20% of a number is equal to dividing that number by 5.
Is taking ½ of a number is the same as dividing by ½?
No, taking ½ of a number is the same as dividing it by 2. Dividing a number by ½ is the same as multiplying it by 2.
Why is multiplying or dividing the numerator and the denominator by the same number the same as multiplying or dividing the fraction by 1?
Because multiplying or dividing them by the same NON-ZERO number does not alter their ratio.
What is the same as dividing a number by 10?
Dividing a number by 10 is the same as multiplying that number by 0.1. Additionally, it can be seen as shifting the decimal point of the number one place to the left. For example, dividing 25 by 10 gives 2.5, which is the same as 25 multiplied by 0.1.
Why does the method of dividing fractions work?
This is related to the fact that dividing by a number is the same as multiplying with the number's reciprocal.
Is taking one half of a number the same as dividing the number by one half?
No. Taking one half of a number is the same as dividing it by 2. If you divide a number by 1/2 that's the same as multiplying it by 2.
Could you answer Dividing a number by 2.5 is the same as multiplying a number by what?
it is the same as multiplying by 0.4
Of a number, the results of dividing one by that number?
the number would stay the same
Is finding twenty percent of a number the same as dividing the number by 4?
No. By definition, 20% is equal to 0.2. Multiplying a number by 0.2 is not equal to dividing it by four. Finding 25% of a number is equal to dividing that number by 4. Finding 20% of a number is equal to dividing that number by 5.
Why do you have to switch the numerator and denominator when dividing fractions?
This is because dividing by a number is the same as multiplying by its reciprocal.
What is the same as dividing a number by 100?
Dividing a number by 100 is the same as multiplying that number by 0.01. This operation effectively shifts the decimal point two places to the left. For example, dividing 250 by 100 results in 2.5, which is equivalent to multiplying 250 by 0.01.
Is dividing a number by 2 the same as multiplying it by half?
Yes, it is!:)
How do you find 0.1 of a number?
It's the same as dividing by 10
