Determine the Sign: Multiplying Fractions 1/4 × 1/2

Determine the resulting sign of the following exercise:

1412= \frac{1}{4}\cdot\frac{1}{2}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:07 Let's find out the sign of the result.
00:11 Remember, a positive number times a positive number is always positive.
00:16 Now, multiply the numerators with each other, and the denominators with each other.
00:21 And there you have it! That's how we solve this problem.

Step-by-step written solution

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1

Understand the problem

Determine the resulting sign of the following exercise:

1412= \frac{1}{4}\cdot\frac{1}{2}=

2

Step-by-step solution

When there is no minus or plus sign before the numbers, we usually assume that these are positive numbers as shown below:

(+1/4)*(+1/2)=

The dot in the middle represents multiplication:

So the question in other words is - what happens when we multiply two positive numbers together?

We know that two positive integers when multiplied result in a positive integer:

Therefore the answer is "positive".

3

Final Answer

Positive

Practice Quiz

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Complete the following exercise:

\( 1000\cdot0= \)

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