Table of Contents
How do you divide a negative number by a positive number?
When you divide a negative number by a positive number, your answer is a negative number. As with multiplication, it doesn’t matter which order the positive and negative numbers are in, the answer is always a negative number. For example: -8 /2 = -4. And, the answer is still -4, when 8 is divided by -2.
Why minus divided by minus is plus?
This is in fact the reason why the negative numbers were introduced: so that each positive number would have an additive inverse. The fact that the product of two negatives is a positive is therefore related to the fact that the inverse of the inverse of a positive number is that positive number back again.
What is a negative divided by 0?
According to Brahmagupta, A positive or negative number when divided by zero is a fraction with the zero as denominator. Zero divided by a negative or positive number is either zero or is expressed as a fraction with zero as numerator and the finite quantity as denominator. Zero divided by zero is zero.
What are the rule for dividing negative numbers?
Divide a negative number by a negative number. To do this, divide the integers as usual, and ignore the negative signs . A negative divided by a negative always equals a positive. For example: ÷ = − ÷ − =
How do you multiply a positive and a negative number?
You multiply and divide positive and negative numbers “as usual” except for the positive and negative signs. So ignore the signs and multiply or divide. Then, if you’re dealing with two numbers, the result is positive if the signs of both numbers are the same, and the result is negative if the signs of both numbers are different.
What are the rules for adding negative numbers?
Here’s the up and down rule for adding a negative number: Adding a negative number is the same as subtracting a positive number — go down on the number line. Subtracting a negative number is the same as adding a positive number — go up on the number line.
Can you add or subtract two negative numbers?
Adding a positive number plus a negative number: Drop the plus sign , turning the problem into subtraction. Adding two negative numbers: Drop both minus signs and add the numbers as if they were both positive; then attach a minus sign to the result.