Free Maths Calculator
Negative Numbers Calculator
Work with negative numbers in all four operations. Every answer names the rule it used, whether that is two minuses making a plus when you subtract a negative, or matching signs giving a positive product. Adding and subtracting also come with a number line description, so the direction of travel is clear.
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Your question
Answer
Method, Step by Step
Worked Example
Work out −6 − (−4).
- Subtracting a negative is the two-minus rule, so −6 − (−4) becomes −6 + 4
- Starting at −6 and moving 4 to the right lands on −2
Answer: −2
Try These Yourself
Work out −3 + 8.Show answer
Answer: 5
Start at −3 and move 8 right, passing zero.
Work out −5 × −4.Show answer
Answer: 20
Signs match, so the answer is positive.
Work out 12 ÷ −3.Show answer
Answer: −4
Signs differ, so the answer is negative.