Respuesta :

Answer:

x³y⁴

Step-by-step explanation:

The Lowest Common Denominator of fractions is the Least Common Multiple of their denominators. That is, you want to find the LCM of ...

  • x³ · y
  • x · y⁴

Find the highest power of each of the factors, and multiply those together.

The highest power of x is x³. The highest power of y is y⁴. So, the LCM of these expressions is ...

... x³y⁴

_____

Then the two fractions are ...

... 3y³/(x³y⁴) . . . and . . . 7x²/(x³y⁴)

x
[tex] {x}^{3} {y}^{4} [/tex]
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