Question

REDUCE EACH OF THE FOLLOWING RATIOS TO THIER LOWEST TERMS - I) 1 hour 20 min: 2 hours​

Answer 1

Answer:

2:3

Step-by-step explanation:

1)We write it as :

1×60 min+20 min : 2×60 min

=>60 min + 20 min:120 min

=>80 min : 120 min

=>80:120

2)Convert it into fraction

=>\frac{80}{120}

120

80

3)Find HCF of 80 and 120

=>HCF of 80 and 120=40.

4)Divide both numerator and denominator by 40. We get

=>\frac{80 \div 40}{120 \div 40}

120÷40

80÷40

=>\frac{2}{3}

3

2

=>2:3

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Answer 2

$1 \: hr \: 20 \: min = 80 \: min$

$2 \: hr \: = \: 120 \: min$

$= \frac{80 \: min}{ \:120 \: min}$

$= \frac{2}{3}$

2:3 is the answer ❣️