Thursday, October 15, 2015

Decimal Division

Problem:

http://www.automathapp.com/static/user/question/11752/56201d45089569.47355402.jpg

Solution:

The easiest way to do decimal division is to do it as usual, and then add the point back by counting

  173
  ---
5/865
  5
  ---
  365 
  35
  ---
   15
   15
   --

Answer: 1.73

  149
  ---
6/894
  6
  ---
  29
  24
   --
   54
   54
   --

Answer: 1.49

    23
   ---
23/529
   46
   ---
    69
    69
    --

Answer: 2.3

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