Question

what is this 1/2-1/9

Answer 1

the answer i 7/18
$\frac{1}{2} - \frac{1}{9} = \frac{(1 \times 9) - (1 \times 2)}{2 \times 9} = \frac{9 - 2}{18} = \frac{7}{18}$


good luck