Question

1-6/9+7/12;1+8/5-4/2

Answer 1

\(1-\dfrac{6}{9}+\dfrac{7}{12}=\dfrac{3}{9}+\dfrac{7}{12}=\dfrac{36+63}{108}=\dfrac{99}{108}\)

\(1+\dfrac{8}{5}-\dfrac{4}{2}=\dfrac{5+8}{5}-\dfrac{4}{2}=\dfrac{13}{5}-\dfrac{4}{2}=\dfrac{26-20}{10}=\dfrac{6}{10}\)

Answer 2

196,77

 

Answer 3

1-6/9+7/12

=1/3+ 7/12

=11/12

1+8/5-4/2

=13/5- 4/2

=3/5

Answer 4

\(\dfrac{99}{108}\)

\(\dfrac{6}{`10}\)