Question

What is the difference? 5/3-1/2A. 4B. 7C. 7/6D. 7/0 = undefined

Answer 1

The answer is:  [C]:  " ⁷/₆ " .
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  Note:
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   (5/3) - (1/2) = ? ;
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The LCD (lowest common denominator) of "2 and 3" is "6" ;

So we need to rewrite EACH fraction in the problem as a fraction with "6" in the denominator ;
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 (5/3) = (?/6) ?  ;  (6÷3=2) ;  (5/3) = (5*2)/(3*2) = 10/6 ;
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(1/2) = (?/6) ? ; (6÷2=3) ;  (1/2) = (1*3)/(2*3) = 3/6 ;
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Rewrite the problem:   "    (5/3) - (1/2) " ;  as:
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   10/6 - 3/6  ;
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    10/6 - 3/6 = (10 - 3) / 6 = (7/6) = 1 ⅙ .
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The answer is:  " ⁷/₆ " ;  or, write as:   " 1 ⅙ " ; which corresponds to: 
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Answer choice:  [C]:  " ⁷/₆ " .
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