Find the sum of 3/4 and 9/10. Then multiply by -5/4. What is the product?

asked Oct 7, 2022 182k views

4 votes

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2 votes

Answer:

Sum:

$= (3)/(4) + (9)/(10) \\ \\ = (30 + 36)/(40) = (66)/(40) \\ \\ sum = (33)/(20)$

Product:

$= (33)/(20) * - (5)/(4) \\ \\ = - (33 * 5)/(20 * 4) \\ \\ = - (165)/(80) \\ \\ { \boxed{ \boxed{product = -(33)/(16) = -2 (1)/(16) }}}$

Frumious answered Oct 11, 2022

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