Question 252166
 4+         1
                --------
            4+    1
                ______
                4+  1
                   ----
                   4+....2

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Work it from the bottome up:
 4+         1
                --------
            4+    1
                ______
                4+  1
                   ----
                   6
-------
4+         1
                --------
            4+    1
                ______
                25/6
-------
4+         1
                --------
                 4+  (6/25)
-------- 
4+         1
           --------
            106/25
--------
4 +  (25/106)
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= 429/106
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Cheers,
Stan H.