Question

Reduce each of the following ratios to their lowest terms :

(i) 1 hour 20 min : 2 hours

(ii) 4 weeks : 49 days

(iii) 3 years 4 months : 5 years 5 months.

(iv) 2 m 40 cm : 1 m 44 cm

(v) 5 kg 500 gm : 2 kg 750 gm

Answer 1

(i) 1 hour 20 min : 2 hour

= (1 x 60 + 20) minutes : 2 x 60 minutes

= 80 minutes : 120 minutes