How do you find the LCM of $18 x y^{2}, 15 y^{3}$ $18xy^2, 15y^3$ ?

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Answer 1 · 2018-03-03T11:24:45

$90 x y^{3}$ $90xy^3$

$18 x y^{2} = 2 \cdot 3^{2} \cdot x \cdot y^{2}$ $18xy^2 = 2* 3^2 * x * y^2$
$15 y^{3} = 3 \cdot 5 \cdot y^{3}$ $15y^3 = 3* 5 * y^3$

(For LCM, you should choose the greatest power of each factor. )
$:. LCM = 2 * 3^2 * 5 * x * y^3 = 90xy^3$

How do you find the LCM of 18xy^2, 15y^318xy2,15y318xy^2, 15y^3?