On monday caroline spent 2/3hour riding her bike and 1 3/4 doing homework how many more hours did caroline spend doing homework than riding her bike?

2/3 hour is 40 minutes. 1 3/4 hour is 1 hour and 45 minutes. So she spent 1 hour and 5 minutes or 1 1/12 hour longer doing homework.

Hello there,
Bike riding= 2/3 hr
Homework = 1 3/4 hr
                  = 7/4 hr
You need to make both the denominators the same, which is 12
2/3(x4 on both side)= 8/12
7/4(x3 on both sides) 21/12
Difference= 21/12-8/12 
                = 13/12
                = 1 1/12

Hope this helps :))

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The solution to the system of equations (-2,2)