Question

a)-3 1/7.6/55.(-7/12)

b)18/39.(-1 5/8):(-6 3/4)

Answer 1

a)\(...-\dfrac{22}{7}.\dfrac{6}{55}.\left(-\dfrac{7}{12}\right)=\dfrac{22}{7}.\dfrac{6}{55}.\dfrac{7}{12}=\dfrac{1}{5}\)

b) \(\dfrac{18}{39}.\left(-\dfrac{13}{8}\right):\left(-\dfrac{27}{4}\right)=-\dfrac{3}{4}.\left(-\dfrac{4}{27}\right)=\dfrac{1}{9}\)

Answer 2

`a)-3 1/7. 6/55.(-7/12)`

 

`= -22/7 . 6/55 . (-7/12) `

 

`= -12/35 . (-7/12 ) `

 

`= 1/5 `

 

`b)18/39.( -1 5/8) : (-6 3/4)`

 

`= 18/39 . (-13)/8 : (-27)/4 `

 

`= 18/39 . (-13)/8 . (-4)/27 `

 

`= (-3)/4 . (-4)/27`

 

`= 1/9`

Answer 3

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