Question: 0 # uw + 0 # u vo# w 'Za uA'Z= WA :Lewwe] Theorem: The difference of any two rational numbers is a rational number.

0 # uw + 0 # u vo# w 'Za uA'Z= WA :Lewwe] Theorem: The difference of any two rational numbers is a rational number. Proof: Let m and n be any two arbitrary rational numbers 1. m = p/q, where p E ZAqEZAq#0 2. n = ris, where rE ZASEZAS#0 3. m- n= p/q- r/s 4. m - n= (ps - qr) / qs, where = (ps - qr) E ZA qs E ZA qs # 0 5. m-ne

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