SOLUTION: 1a.) Determine the exact values, express in lowest terms whenever possible. i.) -2/3+(-3/4) ii.) -2/3 - (-3/4) iii.) (-2/3)*(-3/4) iv.) (-2/3)/(-3/4) b.) The questions in

Question 1105879: 1a.) Determine the exact values, express in lowest terms whenever possible.
i.) -2/3+(-3/4)
ii.) -2/3 - (-3/4)
iii.) (-2/3)*(-3/4)
iv.) (-2/3)/(-3/4)
b.) The questions in part (a) have similarities and differences. With direct reference to the operation being performed, comment on the similarities and differences and explain how each answer is calculated.

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
The first is -17/12. One puts each over a common denominator and subtracts. Both are negative; the answer is more negative
second is +1/12, because the second term is added (two negatives)
third is +1/4, multiplying numerators and denominators, and two negative signs is +
fourth is +(2/3)(4/3=+(8/9); invert and multiply, and two negative signs is +
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