Question

 a,588/686 - 650/1430                   b,2004/2010 - 8/670

Answer 1

\(\dfrac{588}{686}-\dfrac{650}{1430}=\dfrac{31}{77}\\ b,\dfrac{2004}{2010}-\dfrac{8}{670}=\dfrac{66}{67}\)

Answer 2

 a,588/686 - 650/1430  = 6/7-5/11=31/77

 b,2004/2010 - 8/670 = 334/335-4/335=66/67.

Answer 3

a)  =\(\dfrac{6}{7}\)-\(\dfrac{5}{11}\)=\(\dfrac{31}{77}\)

 

b) =\(\dfrac{334}{335}\)-\(\dfrac{4}{335}\)=\(\dfrac{66}{67}\)