Question

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Answer 1

$\frac{1}{2 } - \frac{1}{10}$

LCM = 10

To get the first numerator you divide 10 from 2

that is, 10 ÷ 2 = 5

$\frac{5}{10} - \frac{1}{10}$

$\frac{4}{10} \: is \: the \: answer$