math help,how to solve?

2 ⤊

Add as indicated, and express your answer in lowest terms.

7+ 3/x

8/3z+6/5c

4/3y+7/2y

2006-11-08 07:28:49 · 3 answers · asked by Me 6 in Science & Mathematics ➔ Mathematics

You need to find a common denominator for each one.
(7x+3)/x

(40c+18z)/(15cz)

(8+21)/6y = 29/6y

2006-11-08 07:33:14 · answer #1 · answered by MsMath 7 · 2⤊ 1⤋

7+3/x = 7x/x + 3/x = (7x + 3)/x

8/3z+ 6/5c = ((8*5c)+(6*3z))/(3z*5c)
=(40c+18z)/15zc

4/3y+ 7/2y=8/6y+21/6y = 29/6y

2006-11-08 15:35:52 · answer #2 · answered by Claude J 2 · 0⤊ 0⤋

(10x+3)/x

(40c+18z)/15cZ

8/6y+21/6y
= 29/6y

2006-11-08 15:37:03 · answer #3 · answered by Anonymous · 0⤊ 0⤋