Question

Check that a-b not equal b-a for each of the following:
a =-2/3
b= -7/15
​

Answer 1

$a-b$ ≠ $b-a$

$\frac{-2}{3} - (\frac{-7}{15})$ ≠ $\frac{-7}{15} - (\frac{-2}{3})$

$\frac{-2}{3} + \frac{7}{15}$ ≠  $\frac{-7}{15} + \frac{2}{3}$

$\frac{-10 + 7}{15}$ ≠  $\frac{-7 + 10}{15}$

$\frac{-3}{5}$ ≠ $\frac{3}{5}$

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