can some one help me reduced by removing the factor common numberator /denomomintor the number 660/390

Question

can some one help me  reduced by removing the factor common numberator /denomomintor the number 660/390

anonymous · Answer

22/13

anonymous · Answer

yes  yes  but it keep saying its wrong

anonymous · Answer

do you have answer choices?

anonymous · Answer

1 (9/13)

anonymous · Answer

nope

anonymous · Answer

hmmmm idk that's the answer to the question is this an online quiz or something?

anonymous · Answer

home wrok

anonymous · Answer

How does it keep telling you you're wrong then?

anonymous · Answer

i added up the 390+ 160+110=660 right  then i put 660/390 then i  22/13 keep telling me the 22/13  is not right

anonymous · Answer

Wait put the original problem up with directions

anonymous · Answer

a cubic meter of concerte mix contains 390 kg of cement , 160 kg of stone and 110 of sand . what is the total weight of the cubic meter of concrete mix and what part is stone ?                           the stone part is  660 when u add them all up

anonymous · Answer

is it asking for what % of the mix is stone?

anonymous · Answer

so the 660 is the total weight of the concrete mix

anonymous · Answer

your answer could either be 160kg is stone
or
16.67% is stone which is equivalent to 50/3 %

anonymous · Answer

so it is 50/3

anonymous · Answer

the right was 8/33 hows  that so

anonymous · Answer

I don't have a clue at all how they got that sorry...