Rational Numbers Quiz 7

$\frac{3}{8}+\frac{-2}{5}+\frac{7}{8}-\frac{4}{5}$ = ……

If we subtract $\frac{3}{5}$ from $\frac{7}{20}$ we get ……

The sum of two Rational numbers is $\frac{1}{2}$ and one of the numbers is $\frac{-8}{19}$ then the second number is ……

How much can be added to -2 to get $\frac{7}{9}$?

$4-(2\frac{2}{3}+3\frac{1}{5})$ = ……

$\frac{2}{3}\times\frac{-5}{6}$ = ……

$\frac{7}{9}\times 1\frac{1}{2}\times8\frac{1}{17}\times(\frac{1}{2}-\frac{1}{2})$ = ……

$((\frac{5}{9})^{-1})^{-1}$

$(\frac{1}{-8})^{-1}$ = ……

x = $\frac{-1}{5}$ y = $\frac{2}{7}$ then xy = ……