Question

simplify a/2- a/3 - a/4+ a
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Answer 1

Answer:

a/2-a/3-a/4+a

multiplying numerator and denominator of a/2 by 6, a/3 by 4, a/4 by 3 and a by 12

6a/12-4a/12-3a/12+12a/12

=6a-4a-3a+12a whole divided by 12

=11a/12

Answer 2

Answer:

a/2- a/3 - a/4+ a

a ( 1/2 - 1/3 - 1/4 + 1 )

a ( 1X3 - 1X2 - 1X1 + 1X4)

2X3 3X2 4X1 1X4

a ( 3/6 - 2/6 - 1/4 + 4/4 )

a ( 3-2 - 1+4 )

6 4

a( 1/6 - 3/4 )

a( 1X4 - 3X6

6X4 4X6

a( 4 - 18 )

24

a( -14/24)

a(-1/2)

-a/2

Explanation:

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