1.	Find the least common denominator for and
		A.	5	B.	15
		C.	50	D.	10
		Hint
	2.	What is the least common denominator for and
		A.	72	B.	9
		C.	12	D.	36
		Hint
	3.	Estimate 78.3 + 23.1 by rounding.
		A.	101.4	B.	100
		C.	80	D.	90
		Hint
	4.	Express in simplest form.
		A.		B.
		C.		D.
		Hint
	5.	Find the least common denominator for and .
		A.	112	B.	24
		C.	14	D.	56
		Hint
	6.	Estimate 6.8 - 2.5 by rounding.
		A.	4	B.	10
		C.	14	D.	0.4
		Hint
	7.	Write as a mixed number.
		A.		B.
		C.		D.
		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