#"Order of operation : BODMAS or PEMDAS"#
#(1/8) - (3/4) -: (6/4)#
#=> (1/8) - (3/4) * (4/6), " Division converted to multiplication"#
#=> (1/8) - cancel(3)/ cancel(4) * cancel(4) / cancel(6)^color(red)(2) = (1/8) - (1/2) " carrying out multiplication"#
#=> (1/8) - (1 * 4) / (2 * 4) = 1/8 - 4/8, " taking LCM"#
#=> (1 - 4) / 8 = -(3/8)#