11/17+17/19+20/17+40/19+37/17

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11/17+17/19+20/17+40/19+37/17

11/17+17/19+20/17+40/19+37/17
11/17+17/19+20/17+40/19+37/17

11/17+17/19+20/17+40/19+37/17
11/17+17/19+20/17+40/19+37/17
=(11/17+20/17+37/17)+(17/19+40/19)
=(11+20+37)/17+(17+40)/19
=68/17+57/19
=68/17+57/19
=4+3
=7