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 Depdendent Variable

 Number of equations to solve: 23456789
 Equ. #1:
 Equ. #2:

 Equ. #3:

 Equ. #4:

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 Equ. #8:

 Equ. #9:

 Solve for:

 Dependent Variable

 Number of inequalities to solve: 23456789
 Ineq. #1:
 Ineq. #2:

 Ineq. #3:

 Ineq. #4:

 Ineq. #5:

 Ineq. #6:

 Ineq. #7:

 Ineq. #8:

 Ineq. #9:

 Solve for:

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# Adding and Subtracting Fractions without a Common Denominator

Example 6

Subtract

The LCD is 18(x + 4)

multiply to get an LCD of

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

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

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

multiply to get an LCD of

 subtract the numerators over the LCD distrubte the –

combine like terms in the numerator

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