Question

7supra 8 plus 1 supra 2 minus 3 supra 4

Answer 1

7 / 8 + 1 / 2 - 3 / 4 = 

= 7 / 8 + 4 / 8 - 6 / 8 

= 11 / 8 - 6 / 8 

= 5 / 8 

Answer 2

$\frac{7}{8} + \frac{1}{2} - \frac{3}{4} = \frac{7 + 4 - 6}{8}= \frac{5}{8}$