(84/11-11/10)*60/59

Question

(84/11-11/10)*60/59

Answer 1

719/110*60/59
719/11*6/59 = 6 420/649

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Answer 2

(84/11-11/10)*60/59=6.420/649
84/11-11/10=840/110-121/110=719/110=6.59/110
719/110*60/59=43140/6490=4314/649=6.420/649