1.	Write the sum in simplest form.
		A.		B.
		C.		D.
		Hint
	2.	Write the sum in simplest form.
		A.		B.
		C.		D.
		Hint
	3.	Write the sum in simplest form.
		A.		B.
		C.		D.
		Hint
	4.	Write the sum in simplest form.
		A.		B.
		C.		D.
		Hint
	5.	Write the sum in simplest form.
		A.		B.
		C.		D.
		Hint