SOLUTION: I cant solve this problem i have tried it many differnt wAYS...HERE IS THE PROBLEM: 4/5-10/12-5/6 divided by 14/8+10/21

Algebra ->  Real-numbers -> SOLUTION: I cant solve this problem i have tried it many differnt wAYS...HERE IS THE PROBLEM: 4/5-10/12-5/6 divided by 14/8+10/21      Log On


   

Question 511612: I cant solve this problem i have tried it many differnt wAYS...HERE IS THE PROBLEM:
4/5-10/12-5/6 divided by 14/8+10/21
Found 2 solutions by oberobic, Alan3354:
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
%284%2F5-10%2F12-5%2F6%29+%2F+%2814%2F8%2B10%2F21%29
.
Numerator:
.
4%2F5+-10%2F12+-+5%2F6+=+48%2F60+-50%2F60+-50%2F60+=+-52%2F60+=+-13%2F15
.
Denominator:
.
14%2F8%2B10%2F21+=+%2821%2A14+%2B+8%2A10%29%2F%288%2A21%29+=+187%2F84
.
+%28-13%2F15%29+%2F+%28187%2F84%29++=+%28-13%2F15%29%2A%2884%2F187%29+=+-%28364%2F935%29+

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
%284%2F5-10%2F12-5%2F6%29%2F%2814%2F8%2B10%2F21%29
= %2848%2F60+-+50%2F60+-+50%2F60%29%2F%28294%2F168+%2B+80%2F168%29
= %28-52%2F60%29%2F%28374%2F168%29
= %28-52%2F60%29%2A%28168%2F374%29
= %28-13%2F15%29%2A%2884%2F187%29
= %28-13%2F5%29%2A%2828%2F187%29
= -364/935