Fractions are just numbers. If you multiply a number by one, you get the same number. If you multiply a number by a number smaller than 1, you get a smaller number. If you multiply a number by a number bigger than one, you get a larger number. Dealing with fractions doesn't really tell you anything about the result of your operations.
1 = 1/1 = 2/2 = 50/50 = etc
.5 = 1/2 = 2/4 = 3/6 = etc
2 = 4/2 = 8/4 = 12/6
Fractions are just a form of representing a number. Sometimes they are simpler to visualize than long decimals, such as .555555555. But that decimal number is the same as 5/9, a nice and simple expression in fraction form. And you can usually multiply a fraction in your head, versus a decimal. What is .1818181818 * .25? Well its the same as 2/11 * 1/4 which is 2/44 or 1/22.
An example of a non-decreasing fraction multiply is:
1*2 = 1/1 * 2/1 = 2/1 = 2. 2 > 1, so this is a simple (and trivial) example of not getting a smaller fraction. You only get a smaller fraction when you multiply by values smaller than one. A fraction that is smaller than one is the denominator being larger than the numerator (1/2 or 12/28828 or whatever).
Hope this clears up any confusions!
Additional answer
If you substitute the word 'of' for 'times' in the sentence 'what is 4 times 5?' then you get 'what is 4 of 5?' = 20. If you say 'what is half of eight' then it is obviously 4 (which is smaller), thus answering your question.
It is not possible to tell.
a proper fraction, a decimal or a negative number.
When the numerator of a fraction is smaller than the denominator, that's a proper fraction.
Not necessarily. -1/2 is a fraction which is less than 1.-10 * -1/2 = 5, a product which is bigger than -10.
Because
The only generalisation posible is that it will always be a rational number. The product can be positive or negative; it can be a fraction or an integer, it can be larger or smaller.
When multiplying decimals less than 1, the answer gets smaller because each decimal is less than 1. Multiplying a number by a value less than 1 will always result in a smaller product. Think of it as taking a fraction or a portion of the number, which will inevitably make the product smaller.
Multiplying by the reciprocal of the fraction.
No.
Remember the denominator shows how many equal parts the item is divided into, so because you are multiplying the number of parts (you are increasing the number of cuts) the denominator will get bigger ...which in turn means the pieces will be smaller. Just remember the higher a denominator is the smaller it will be in size...multiplying a fraction means you are multiplying the number of cuts and sections that is why the size gets smaller.
It is larger because the two whole numbers form a greater, larger number when multiplpied together. It is smaller when u multiply a whole number by a fraction because a fraction is a decimal and u get a smaller number when multiplying a number like 1/7 of 5
That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.
true
if you mean multiplying something by a fraction where the numerator is smaller than the denominator then yes.
Because doing so is equivalent to multiplying or dividing by x/x, which can be cancelled down to 1.
Eliminate the fraction by multiplying all the terms by the denominator.
It is not possible to tell.