\r\n" );
document.write( "The main road in Belleville is 7 3/10 miles long.\r\n" );
document.write( "so far 2 3/4 miles have been repaved. How many miles \r\n" );
document.write( "have not been repaved?\r\n" );
document.write( "\r\n" );
document.write( " 7
= 7
= 6
\r\n" );
document.write( "-2
= -2
= -2
\r\n" );
document.write( "覧覧覧覧覧覧覧覧覧覧覧予r\n" );
document.write( " 4
\r\n" );
document.write( "\r\n" );
document.write( "The first step was to get the least common denominator\r\n" );
document.write( "of 10 and 4. Since 20 is the smallest positive integer\r\n" );
document.write( "that both 10 and 4 will divide into evenly, 20 is the\r\n" );
document.write( "LCD. So we changed the
to
and changed the\r\n" );
document.write( "
to
. Then we noticed that the upper\r\n" );
document.write( "fraction
was smaller than the lower fraction\r\n" );
document.write( "
, so to make the upper fraction larger, we \r\n" );
document.write( "borrowed 1 from the 7 leaving it as 6, then took the 1 that \r\n" );
document.write( "we borrowed, thought of it mentally as
\r\n" );
document.write( "and added it to the
making it
. Then \r\n" );
document.write( "we merely subtracted the whole parts and the fraction parts.\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "