What is 30 pounds to 2 tons as a fraction simplified? Also the same question for 2 meters to 40 centimeters?

30lb/2Ton = 30 lb/4000 lb = 3/400
2m/40 cm = 200 cm/40 cm = 5
The dimensions of the numerator and denominator must match to get the ratio.

Thank you for your help.

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