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Subtraction of monomials

How to perform subtraction of monomials?

Subtraction of monomials rules

Subtraction monomials rule:

When adding like monomials subtract the coefficients of the like monomials.

5 examples of subtraction of monomials

Example of subtraction of monomials.

Subtraction of monomials

74ad - 72ad

Solution.

The coefficients of the monomials are 74 and 72.

Subtract the coefficients of the monomials

74ad - 72ad = 2ad

The answer: 2ad.

Example of subtraction of monomials.

Subtract the following monomials

6.2ef - 5.5ef

Solution.

The coefficients of the monomials are 6.2 and 5.5.

Subtract the coefficients of the monomials

6.2ef - 5.5ef = 0.7ef

The answer: 0.7ef.

Example of subtraction of monomials.

Subtract the following monomials

8.5g - g

Solution.

8.5g - g =
8.5g - 1 * g

The coefficients of the monomials are 8.5 and 1.

Subtract the coefficients of the monomials

8.5g - g =
8.5g - 1 * g = 7.5g

Answer: 7.5g.

Example of subtraction of monomials.

Subtract the following monomials

58h6 - 56h6

Solution.

The coefficients of the monomials are 58 and 56.

Subtract the coefficients of the monomials

58h6 - 56h6 = 2h6

Answer: 2h6.

Example of subtraction of monomials.

Subtract the following monomials

26j4 - 6j3

Solution.

See the definition of like terms.

These two terms 26j4 and 6j3 are not like terms.

We can only subtract like terms.

See Subtraction of monomials worksheet.