Question

What should be subtracted from -2/3+2/5 to get 3/4

Answer 1

$let \: y \: should \: be \: subtracted \: from \: - \frac{2}{3} + \frac{2}{5} to \: get \: \frac{3}{4} \\ \frac{ - 2}{5} + \frac{2}{5} - y = \frac{3}{4} \\ - y = \frac{3}{4} \\ y = \frac{ - 3}{4}$
Hope it's helpful.. ^_^

Answer 2

I hope it may be right......