Signed numbers with decimals have a whole part and a fraction part with a negative or positive sign. A signed decimal number with no sign represents a positive decimal number whereas a negative sign with the decimal number makes it a negative number. To divide the signed decimal number, one should first convert the decimal into a fraction. Keeping the first decimal as it is, multiplies the reciprocal of the second fraction(the second decimal is converted to a fraction). If the sign of both fractions is negative, the result will be positive. This is...