MathsIntegersSubtraction of Integers – Part 2

Subtraction of Integers – Part 2

Table of Contents

  • Subtraction of a Positive Integer
  • Subtraction of a Negative Integer
  • Subtraction of Integers and Additive Inverse
  • Summary
  • What’s Next?

In the previous segment, we discussed subtraction of a positive integer from any integer using the number line. In this segment, we will learn how to subtract a negative integer with any integer.

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    Subtraction of a positive integer

    Subtracting a positive integer from any integer leads to a decrease in the value of an integer. Hence, we move to the left on the number line.

    For example,

    6 – 2 means ‘2 less than 6’. So, we move two steps to the left of 6. Hence, 6 – 2 = 4.

    2 steps to the left

    -8 -7 -6

    -5 -4 -3 -2 –

    0 1 2 3 4 5 6 7 8

    6 – 2 = 4

    Subtraction of a negative integer

    Subtracting a negative integer from any integer leads to an increase in the value of an integer. Hence, we move to the right on the number line.

    For example,

    6 – (-2) means ‘-2 less than 6’. So, we move two steps to the right of 6 on the number line.

    Hence, 6 – (-2) = 8.

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