1.

Express 1 hour 5 minutes : 45 minutes ratios in simplest form.

Answer»

Converting both the given quantities in the same units, we have:

We know that,

= 1 hour = 60 minutes

Then,

= (1 × 60) minutes + 5 minutes: 45 minutes

= 65 minutes: 45 minutes

HCF of 65 and 45 is 5

= (65 ÷ 5) / (45 ÷ 5)

= 13/9

= 13minutes: 9minutes



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