janettereed22 janettereed22
  • 19-02-2021
  • Mathematics
contestada

Steve studies math for 7/8 of an hour and history for 2/3 of an hour. How many hours did he study?

Respuesta :

adamp8bhob adamp8bhob
  • 19-02-2021

Answer:

The answer is 1 13/24 hours or 1 hour, 32.5 minutes

Step-by-step explanation:

Find a common multiple of the denominators 3 and 8, which would be 24.  Convert the fractions:

7/8 x 3/3 = 21/24.

2/3 x 8/8 = 16/24

Add the two numerators = 37/24 or 1 13/24.  

1/24 of an hour is 2.5 minutes, so 13/24 is 32.5 minutes.

The answer is 1 13/24 hours or 1 hour, 32.5 minutes

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