Unformatted text preview: ALGEBRAIC FRACTIONS ‘__~;~ ;‘;:.; laws of arithmetic fractions hold true for algebraic fractions. '5 5 a c ad+bc
n _ ADDITIO.\ 3+3 _ bd
:?=*r;~le: Example:
3:3_z—3 _ 8(x+2)+2(x—3) I'm—n+m—2n _ 2(772—71)+m—2n
2 3 6 3 6 6
_ 3x+6+2x~6 _ 2m—2n+m—2n
_ “‘65—— I T
595 _ Bin—4n
? I T ad — bc
bd SL'BTRACTION g—g = _ 2(x+2)—3x Example: x+1_l : (x+1)=—1
x(x+2) x x x
_ 2x+4—3x : f
_ x(x+2) x
_ 4—x = 1
_ x(x+2) MULTIPLICATION 3x3 — “'0 b (fly—J 3 _ 3 _
Example: 1 X3(x+1) : “BRILD Example: 5a . 2 b = ——————5a (2 b)
x+1 4 (x+1).4 b—Z 20,2 (b—2)(2a2)
z 3706+}? ﬁrm! : _5a‘3;<b:25
406+ 1) <_1 trick’ J ,(b42)’(2a“2)
: 3 —5a
4 I __‘ 2 F—‘—'— a 0 ad DIVISION 34— = —><— [INVERT AND MULTIPLY] ...
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 Winter '10
 golishr

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