document.write( "Question 835758: what is the indicated operation of 2/5+1/4-1/2 2.3/4+5/8 3.7/9-3/4\r
\n" ); document.write( "\n" ); document.write( "4.-5/7-(-3/4) 5.14 3/10 \n" ); document.write( "

Algebra.Com's Answer #503765 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
I'll do one you, follow the steps and do the others.
\n" ); document.write( "When you have fractions, you need to find a common denominator before you can do anything else.
\n" ); document.write( " $\"2%2F5%2B1%2F4%2B1%2F2\"$
\n" ); document.write( "In this case, use $\"5%2A4=20\"$ .
\n" ); document.write( " $\"2%2F5=%282%2F5%29%284%2F4%29=8%2F20\"$
\n" ); document.write( " $\"1%2F4=%281%2F4%29%285%2F5%29=5%2F20\"$
\n" ); document.write( " $\"1%2F2=%281%2F2%29%2810%2F10%29=10%2F20\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"2%2F5%2B1%2F4%2B1%2F2=8%2F20%2B5%2F20%2B10%2F20\"$
\n" ); document.write( " $\"2%2F5%2B1%2F4%2B1%2F2=%288%2B5%2B10%29%2F20\"$
\n" ); document.write( " $\"2%2F5%2B1%2F4%2B1%2F2=highlight%2823%2F20%29\"$
\n" ); document.write( " \n" ); document.write( "

\n" );