The coefficients of the numerator and denominator of the fractional formula (1 / 2x-1 / 8y) / (- 1 / 2x + 2Y) are changed into integers, and the first coefficient does not contain The result is negative

The coefficients of the numerator and denominator of the fractional formula (1 / 2x-1 / 8y) / (- 1 / 2x + 2Y) are changed into integers, and the first coefficient does not contain The result is negative

Multiplication of numerator and denominator by 8
=(4x-y)/(-4x+16y)
=-(4x-y)/(4x-16y)

Without changing the value of the fraction, the coefficients in the numerator and denominator of the fraction x + 0.5y/0.1x-0.02y are changed into integers to obtain ()

（100x+50y)/(10x-2y)=(50x+25y)/(5x-y)

Without changing the value of the fraction, the coefficients in the numerator and denominator of the fraction 0.1 x-0.02 Y / x + 0.5 y are changed into integers

Multiply the numerator and denominator by 50 to get (5x-y) / (50x + 25y). This is the simplest fraction of the norm
The classmate upstairs made a mistake about plus and minus
In addition, when you write fractions, you should pay attention to adding parentheses to the numerator and denominator with slashes. Otherwise, you will make mistakes. If you are in the exam, you will be greatly deducted