Input for Problem 2 (2007) (Converting Egyptian Fractions to Fractions)
---------------------------
6
2
2 10
1
35
4
98 1 2 12
3
2 4 5
5
1 4 7 2 3
3
3 3 3


correct output:
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1/2 + 1/10 = 3/5
1/35 = 1/35
1/98 + 1/1 + 1/2 + 1/12 = 148/93
1/2 + 1/4 + 1/5 = 19/20
1/1 + 1/4 + 1/7 + 1/2 + 1/3 = 187/84
1/3 + 1/3 + 1/3 = 1/1    (note that this input is illegal because
                          the unit fractions are not distinct)