Question

A) 4/6-2/3=
B) 5/7-3/4=

Answer 1

a)

$\frac{4}{6} - \frac{2}{3 } = \frac{4}{6} - \frac{4}{6} = 0$

b)

$\frac{5}{7} - \frac{3}{4} = \frac{20 - 21}{28} = - \frac{1}{28}$