Given 2x = 5Y, find the value of fraction X-Y / x + y

Given 2x = 5Y, find the value of fraction X-Y / x + y

I'll take it. Can you put x = 2.5Y in and calculate it

Let the absolute value of the coefficients of the numerator and denominator be the smallest integer, then the fraction formula (0.02x + 0.06y) / (0.8x-0.2y)

(0.02x+0.06y)/(0.8x-0.2y)
=(2x+6y)/(80x-20y)
=(x+3y)/(40x-10y)

Without changing the value of the fraction, change the coefficients in the numerator denominator of the following fraction into integers 1.0.2x + Y / 0.1x-0.3y
2.0.5x+0.25y/0.5x-1/3y

1.0.2x+y/0.1x-0.3y
=(1/5x+y)/(1/10x-3/10y)
=[(x+5y)*1/5]/[(x-3y)*1/10]
=2(x+5y)/(x-3y)
2.0.5x+0.25y/0.5x-1/3y
=(1/2x+1/4y)/(1/2x-1/3y)
=[(2x+y)*1/4]/[(3x-2y)*1/6]
=3(2x+y)/2(3x-2y)