Question

Reduce to lowest form
4 minutes 30 seconds : 1 minutes 30
seconds​

Answer 1

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.