Reduce to lowest form
4 minutes 30 seconds : 1 minutes 30
seconds
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1 minute = 60 seconds
4 minutes 30 seconds : 1 minutes 30 seconds
(4×60) seconds+30 seconds : (1×60) seconds+30 seconds
240+30 seconds : 60+30 seconds
270 seconds : 90 seconds
270 : 90
27 : 9 (↑divided by 10)
3 : 1 (↑divided by 9)
3 : 1
the lowest form of
4 minutes 30 seconds : 1 minutes 30 seconds
is
3:1.
hope it helps.
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