Subtract. Express you answer in simplest form. 7x/18 - 2x/9?

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Subtract. Express you answer in simplest form. 7x/18 - 2x/9?

2007-12-17 09:11:14 · 2 answers · asked by Boogie 2 in Science & Mathematics ➔ Mathematics

2 answers

The answer is x/6.
Get it this way:
7x/18-2x/9
7x/18-4x/18..... ( Multiply numerator and denominator of the last term by 2.)
3x/18... (Subtract the numerators.)
x/6...(Divide numerator and denominator by 3.)

FE

2007-12-17 09:24:55 · answer #1 · answered by formeng 6 · 0⤊ 0⤋

7x/18 - 2x/9 find least common denominator (18)
7x/18 - 4x/18
3x/18
x/6

2007-12-17 17:45:48 · answer #2 · answered by Calahanras 1 · 0⤊ 0⤋