Try the Free Math Solver or Scroll down to Tutorials!

Enter expression, e.g. (x^2-y^2)/(x-y)

Enter expression, e.g. x^2+5x+6

Enter expression, e.g. (x+1)^3

Enter a set of expressions, e.g. ab^2,a^2b

Enter equation to solve, e.g. 2x+3=4

Enter equation to graph, e.g. y=3x^2-1

Depdendent Variable

Number of equations to solve:

Equ. #1:

Equ. #2:

Equ. #3:

Equ. #4:

Equ. #5:

Equ. #6:

Equ. #7:

Equ. #8:

Equ. #9:

Solve for:

Enter inequality to solve, e.g. 2x+3>4

Enter inequality to graph, e.g. y<3x^2-1

Dependent Variable

Number of inequalities to solve:

Ineq. #1:

Ineq. #2:

Ineq. #3:

Ineq. #4:

Ineq. #5:

Ineq. #6:

Ineq. #7:

Ineq. #8:

Ineq. #9:

Solve for:

Math solver on your site

Please use this form if you would like
to have this math solver on your website,
free of charge.

Name:

Email:

Your Website:

Msg:

Adding and Subtracting Fractions without a Common Denominator

Example 6

Subtract

The LCD is 18(x + 4)

multiply to get an LCD of

	subtract the numerators
	over the LCD
	distrubte the –

combine like terms in the numerator

Example 7

Subtract

factor each denominator

The LCD is 3x(x −2)

multiply to get an LCD of

	subtract the numerators
	over the LCD
	distrubte the –

combine like terms in the numerator

Example 8

Subtract

The LCD is (x −1)(x −2)

multiply to get an LCD of

	subtract the numerators
	over the LCD
	distrubte the –

combine like terms in the numerator

Factor the numerator

Does not reduce

Example 9

Subtract

factor each denominator

The LCD is 6(x +1)(x −1)

multiply to get an LCD of

	subtract the numerators
	over the LCD
	distrubte the –

combine like terms in the numerator

Your Math Help is on the Way!

More Math Help

Adding and Subtracting Fractions without a Common Denominator