You can put this solution on YOUR website! 1/3-1/4+2/5-3/10
The least common denominator (lcd) is 60
Rewrite each fraction with the lcd as its denominator:
=20/lcd -15/lcd + 24/lcd - 18/lcd
=[20-15+24-18]/lcd
=[11/lcd]
=11/60
---------
Cheers,
Stan H.