SOLUTION: Trying to help my son Could you please give my step by step We are not sure if we turn it into an improper fraction to solve 1 5/12

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Question 154616: Trying to help my son
Could you please give my step by step We are not sure if we turn it into an improper fraction to solve
1 5/12 - 3 1/4 =

Last question
20+2 (3 X -5squared +30)
20 + 2 ( would the -5squred be positive or negative and why
Answer by scott8148(6628) (Show Source):
You can put this solution on YOUR website!
1 is 12/12 __ 12/12 + 5/12 is 17/12

3 is 12/4 __ 12/4 + 1/4 is 13/4 __ to get a common denominator, multiply the top and bottom by 3 __ 13/4 is 39/12

17/12 - 39/12 is -22/12 which reduces to -11/6 or -1 5/6 as a mixed number

-5squared is negative __ -25
__ an exponent is associated with the quantity it is written next to
__ without parentheses, the negative sign is not included
__ (-5)squared would be positive 25

ABsquared is A times B times B; NOT AB times AB

SOLUTION: Trying to help my son Could you please give my step by step We are not sure if we turn it into an improper fraction to solve 1 5/12 - 3 1/4 = Last question 20+2 (3 X -5squa