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Worksheet Worksheet 2
A4US

1.

Find the least common multiple of 40 and 72.

2.

Find the least common multiple of \(6x^2 y\) and \(9x y^3\text{.}\)

3.

Calculate \(\frac{11}{6} - \frac{7}{20}\text{.}\)

4.

Calculate \(\frac{3}{x} + \frac{7}{y}\text{.}\)