1.	Which fraction is when written in simplest form?
		A.		B.
		C.		D.
		Hint
	2.	Find the least common denominator for and
		A.	50	B.	10
		C.	5	D.	15
		Hint
	3.	Estimate 78.3 + 23.1 by rounding.
		A.	100	B.	90
		C.	80	D.	101.4
		Hint
	4.	Express in simplest form.
		A.		B.
		C.		D.
		Hint
	5.	Find the least common denominator for and .
		A.	112	B.	56
		C.	24	D.	14
		Hint
	6.	Estimate 5.21 - 1.9 by rounding.
		A.	3	B.	13
		C.	6	D.	10
		Hint
	7.	Estimate 6.8 - 2.5 by rounding.
		A.	14	B.	10
		C.	4	D.	0.4
		Hint
	8.	Write as a mixed number.
		A.		B.
		C.		D.
		Hint
	9.	Write as a mixed number.
		A.		B.
		C.		D.
		Hint
	10.	Write as a mixed number.
		A.		B.
		C.		D.
		Hint