Sadie practiced her spelling words for 3/4 of an hour, and Max practiced his spelling words for 5/12 of an hour. In simplest form, how much longer did Sadie practice than Max?

1/3

Step-by-step explanation:

3/4 - 5/12

Answer

1/3 of an hour longer

Step-by-step explanation:

3/4 - 5/12

3/4 * 3 = 9/12

9/12 - 5/12 = 4/12

4/12 divided by 4 = 1/3

Sadie practiced 1/3 of an hour than Max.

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step-by-step explanation:

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24