document.write( "Question 200978: Kristi jogged for 3/5 of an hour, swam for 1/2 of an hour, and rode her bicycle for 3/4 of an hour. How long did she exercise? (Answer in fraction of an hour, rather than minutes, please) \n" ); document.write( "
Algebra.Com's Answer #151212 by rfer(16322)\"\" \"About 
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3/5+1/2+3/4=
\n" ); document.write( "find common denominator
\n" ); document.write( "12/20+10/20+15/20+37/20=1 17/20 hrs
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