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प्रश्न
Reduce the following ratio to their lowest term:
1 hour 20 min : 2 hours
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उत्तर
1 hour 20 min : 2 hour
= (1 × 60 + 20) minutes : 2 × 60 minutes
= 80 minutes : 120 minutes ...........(∵ 1 hour = 60 minutes)
`=80/120=2/3`
= 2 : 3
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