What is lcm 4/7 , 8/14 , 12/28 , 16/56 , x/y ?

The solution to lcm 4/7 , 8/14 , 12/28 , 16/56 , x/y is 56y

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lcm 4/7 , 8/14 , 12/28 , 16/56 , x/y

lcm

\frac{4}{7}, \frac{8}{14}, \frac{12}{28}, \frac{16}{56}, \frac{x}{y}

56 y

Solution steps

Find Least Common Multiplier of

7, 14, 28, 56, y

Factor

14

2 \cdot 7

Factor

28

2^{2} \cdot 7

Factor

56

2^{3} \cdot 7

Multiply each factor with the highest power:

2^{3} \cdot 7 \cdot y

Simplify

56 y

5 y^{2} - 5 x - 8 y^{2}, 6 x

a^{2} + 23, a - 24

\frac{1}{2}, \frac{1}{6}, \frac{1}{12}, \frac{1}{20}, \frac{1}{30}

x^{3} + 4 x^{2} + 5 x - 2, (111)

1 + x + x^{2}, 1 - x - x^{2}, 1 - x^{2}

What is lcm 4/7 , 8/14 , 12/28 , 16/56 , x/y ?
The solution to lcm 4/7 , 8/14 , 12/28 , 16/56 , x/y is 56y