Respuesta :

Answer:

3/4

Step-by-step explanation:

Find common denominators. convert 1/2 to 2/4

3 1/4 - 2 2/4= 3/4

dustydust

Answer : 45 minutes or 3/4 of an hour

Step-by-step explanation: 2 1/2 translates to 2 hours and 30 minutes. 3 1/4 translates to 3 hours and 15 minutes. The difference between those two is 45 minutes.

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