LCD two fractions

What is the least common denominator of 11/15 and 12/19?

Correct answer:

d =  285

Step-by-step explanation:

$$\begin{gathered} 15=3\cdot 5 \\ 19\mathrm{.}\mathrm{.}\mathrm{.}\text{ prime number } \\ LCM(15,19)=3\cdot 5\cdot 19=285 \\ d=LCM(15,19)=285 \end{gathered}$$

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Dr Math

More information about LCD calculation see - https://www.hackmath.net/en/calculator/least-common-denominator?input=11%2F15+and+12%2F19&submit=Calculate+LCD

2 years ago  Like

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