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Rob is travelling to Germany it takes him 1 hour 30 to drive to the airport then waits 2 hours 45 then the flight takes 2 hours 20 how long has he spent travelling in fractions

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crisforp

Hi!

30 minutes means (1/2) hour;

1 hour 30 means = 1 1/2 = (3/2) hour;

45 minutes means = (3/4) hour;

2 hours 45 minutes means 2 3/4 = (11/4) hours;

20 minutes means = (1/3) hour;

2 hours 20 = 2 1/3 = 7/3;

So, 3/2 + 11/4 + 7/3 = 18/12 + 33/12 + 28/12 = 79/12 = 6 hours (7/12) minutes.

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