$\\$
`g,`
`( (-1)/4 + 5/8) + (-3)/8`
`= (-1)/4 + 5/8 + (-3)/8`
`= (-2)/8 + 5/8 + (-3)/8`
`= 0`
$\\$
`m,`
`75% - 1 1/2 + 0,5 : 5/12`
`= 3/4 - 3/2 + 1/2 . 12/5`
`= 3/4 - 3/2 + 6/5`
`= 15/20 - 30/20 + 24/20`
`= 9/20`
$\\$
`n,`
`-1 1/2 . (-2)/5 + 1/6 : 2`
`= (-3)/2 . (-2)/5 + 1/12`
`= 3/5 + 1/12`
`= 36/60 + 5/60`
`= 41/60`
$\\$
`q,`
`(2 1/3 + 3 1/2) : (-4 1/6 + 3 1/7) + 7 1/2`
`= (7/3 + 7/2) : ( (-25)/6 + 22/7) + 15/2`
`= (14/6 + 21/6) : ( (-175)/42 + 132/42) + 15/2`
`= 35/6 : (-43)/42 + 15/2`
`= 35/6 . (-42)/43 + 15/2`
`= (-245)/43 + 15/2`
`= (-490)/86 + 645/86`
`= 155/86`
$\\$
`k,`
`(2^3 . 5^2 . 7^2 . 3^7)/(49 . 5^3 . 3^6 . 11)`
`= (2^3 . 5^2 . 7^2 . 3^7)/(7^2 . 5^3 . 3^6 . 11)`
`= (8 . 1 . 1 . 3)/(1 . 5 . 1 . 11)`
`= (8.3)/(5.11)`
`= 24/55`
