Divide 7/24 by 35/48 and reduce the quotient to the lowest fraction.
a. 4/10
b. 2/5
c. 42/48
d. 245/1152

The answer is B.2/5
flip 35/48 so it looks like this 48/35 then chance the divide symbol and put the multiply symbol 7*48=336, and 24*35=840. your answer is 336/840 then simply reduce to get 2/5. 

  7          35
 ÷    =  ?
 24         48

 48

 35 

  7         48        
 ×  
  24       35 

7 × 48 = 336

24 × 35 = 840

 336        2
=  
 840        5

SO, Your answer would be B. 2/5.

  7        35        2
 ÷ =  (Simplest Form) 
 24        48       5

Hope I helped:P