Temperature at a Shimla weather station was $- \frac{3}{4}$ °C at dawn and $- \frac{2}{5}$ °C at dusk.
At which time was it colder (lower temperature)?

Question

Temperature at a Shimla weather station was -3/4 °C at dawn and -2/5 °C at dusk. At which time was it colder (lower temperature)?

Accepted Answer

Dawn. LCM of 4 and 5 = 20. -3/4 = -15/20, -2/5 = -8/20. Since -15/20 < -8/20, dawn (-3/4) was colder.

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