Fractions, SM-Bank 055

Evaluate the following number sentences, giving your answers in simplest form.

`1/6-5/6` (1 mark)

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`4/9-1/2` (2 marks)

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`-3/4-1/2` (2 marks)

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Show Answers Only

a. `-2/3`

b. `-1/18`

c. `-1 1/4`

Show Worked Solution

a. `1/6-5/6`	`=-4/6`
	`= -2/3`

b. `4/9-1/2`	`=(4 xx 2)/(9 xx 2)-(1 xx 9)/(2 xx 9)`
	`= 8/18-9/18`
	`=-1/18`

c. `-3/4-1/2`	`=-3/4-2/4`
	`= -5/4`
	`=-1 1/4`