Help please with an explanation the Grandmother made a lunch of 1 5/6 h and cleaned up apartment 2 2/3 of the h what is the time the grandmother spent for household chores Express the answer in hours and minutes

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15/6+2 2/3=3 9/6=4 3/6=4 1/2 hours it spent for household chores of 4 1/2=4 hours 30 minutes 1 5/6 + 2 2/3 = 3 9/6 = 4 3/6 = 4 1/2 (hours) - spent for household chores 4 1/2 = 4 hours and 30 minutes.... it !!
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