The answer would be 49/216 because
3 4/15 divided by (8x6x3/10) would be reduced to 49/15 divided by (4x6x3/5) then calculate it to 49/15 divided by 72/5 then multiply by the reciprocal 49/15 x 5/72 then reduce once more 49/3 x 1/72 multiply then you will get the answer 49/216