Question

40/63 - 35/72 = ?
43/126 - 41/ 135 = ?

Answer 1

40/63 - 35/72 =
$\frac{320 - 245}{504} = \frac{75}{504} = \frac{25}{168}$




43/126 - 41/ 135=
$\frac{645 - 574}{1890} = \frac{71}{1890}$