Find the LCM of -2-3-4-9-5-6-7-12- - Maths Q-A

Solve for LCM of given numbersThe given fractions are,2/3,4/9,5/6,7/12LCM(2/3,4/9,5/6,7/12)=L.C.M(2,4,5,7)/H.C.F(3,9,6,12) LCM(2,4,5,7)=2× 2× 5× 7=140 HCF(3,9 ...

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Standard IV

Mathematics

Addition & Subtraction of Decimals

Find the LCM ...

Question

Find the LCM of $\frac{2}{3}, \frac{4}{9}, \frac{5}{6}, \frac{7}{12}$

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Solution

Solve for LCM of given numbers
The given fractions are,
$\frac{2}{3}, \frac{4}{9}, \frac{5}{6}, \frac{7}{12}$
LCM $(\frac{2}{3}, \frac{4}{9}, \frac{5}{6}, \frac{7}{12}) = \frac{L . C . M (2, 4, 5, 7)}{H . C . F (3, 9, 6, 12)}$
LCM $(2, 4, 5, 7) = 2 \times 2 \times 5 \times 7 = 140$
HCF $(3, 9, 6, 12) = 3$
Therefore, LCM $(\frac{2}{3}, \frac{4}{9}, \frac{5}{6}, \frac{7}{12}) = \frac{140}{3}$
Hence, the LCM of $\frac{2}{3}, \frac{4}{9}, \frac{5}{6}, \frac{7}{12}$ is $\frac{140}{3}$ .

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Find the LCM of23,49,56,712

Solve for LCM of given numbersThe given fractions are,23,49,56,712LCM23,49,56,712=L.C.M(2,4,5,7)H.C.F(3,9,6,12) LCM2,4,5,7=2×2×5×7=140 HCF(3,9,6,12)=3Therefore, LCM23,49,56,712=1403Hence, the LCM of23,49,56,712 is1403.

Find the LCM of $\frac{2}{3}, \frac{4}{9}, \frac{5}{6}, \frac{7}{12}$