What Is A Positive Minus A Negative?

Why is a positive minus a negative positive?

The two negatives cancel each other out, because negative negative would just be another positive.

On the other hand, a positive and a negative would equal a negative as the two signs aren’t the same..

What is positive plus negative?

Multiplication and Division If two positive numbers are multiplied together or divided, the answer is positive. If two negative numbers are multiplied together or divided, the answer is positive. If a positive and a negative number are multiplied or divided, the answer is negative.

What is the rule for adding and subtracting positive and negative numbers?

When adding positive numbers, count to the right. When adding negative numbers, count to the left. When subtracting positive numbers, count to the left. When subtracting negative numbers, count to the right.

What is the rule for subtracting negative numbers?

Rule 3: Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive. Basically, – (-4) becomes +4, and then you add the numbers. For example, say we have the problem -2 – –4.

Do 2 negatives make a positive when multiplying?

There are two simple rules to remember: When you multiply a negative number by a positive number then the product is always negative. When you multiply two negative numbers or two positive numbers then the product is always positive. … Now we have two negative numbers, so the result is positive.

What are the rules for negative and positive numbers?

The Rules:RuleExample+(+)Two like signs become a positive sign3+(+2) = 3 + 2 = 5−(−)6−(−3) = 6 + 3 = 9+(−)Two unlike signs become a negative sign7+(−2) = 7 − 2 = 5−(+)8−(+2) = 8 − 2 = 62 more rows

What is a negative divided by a negative?

Rule 3: a negative number divided by a negative number equals a positive number. Two negatives make a positive, so a negative number divided by a negative number equals a positive number. For example, -8 / -2 = 4.

How do you subtract positive and negative integers?

To subtract integers, change the sign on the integer that is to be subtracted. If both signs are positive, the answer will be positive. If both signs are negative, the answer will be negative. If the signs are different subtract the smaller absolute value from the larger absolute value.

What is a positive plus a positive?

Rule 1: Adding positive numbers to positive numbers—this is normal addition. … This would be read as “negative five plus two.” This is most easily thought about on a number line. Instead of starting at a positive number, you’re starting at a negative number, which is to the left of zero on the number line.

What happens when you add a negative and a positive?

When you are adding a negative number to a positive number you are effectively subtracting the second number from the first. … And then you add the negative number, which means you are moving to the left – in the negative direction. Basically you are subtracting the 2. The answer is 2.

Why minus into minus is plus?

The answer has to do with the fundamental properties of operations on numbers (the notions of “addition”, “subtraction”, “multiplication”, and “division”). … This is in fact the reason why the negative numbers were introduced: so that each positive number would have an additive inverse.

Does a negative add a negative make a positive?

When you have two negative signs, one turns over, and they add together to make a positive. If you have a positive and a negative, there is one dash left over, and the answer is negative.

Why do 2 negatives make a positive?

When you multiply a negative by a negative you get a positive, because the two negative signs are cancelled out.

Is a positive times a negative a positive?

Rule 1: A positive number times a positive number gives you a positive number. … Rule 2: A positive number times a negative number gives you a negative number. Example 2: This is new – for example, you might have 4 x -3. The 4 is positive, but the 3 is negative, so our answer has to be negative.

What are the three rules for adding and subtracting integers?

To add integers having the same sign, keep the same sign and add the absolute value of each number. To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest. Subtract an integer by adding its opposite.