Question

-23/7.3/10+13/7.3/10

Answer 1

=3/10(-23/7+13/7)

=-3/10*10/7=-3/7

Answer 2

\(-\dfrac{23}{7}.\dfrac{3}{10}+\dfrac{13}{7}.\dfrac{3}{10}=\dfrac{3}{10}.\left(-\dfrac{23}{7}+\dfrac{13}{7}\right)=\dfrac{3}{10}.-\dfrac{10}{7}=-\dfrac{3}{7}\)

Answer 3

-23/7.3/10+13/7.3/10=(-23/7+13/7).3/10=-10/7.3/10=-3/7