`(-3/2)^2+(1/2-2/3)3/4`
`=9/4+1/6 . 3/4`
`=9/4+1/8`
`=17/8`
=9/4+(3/6-4/6)*3/4
=9/4-1/6*3/4
=9/4-1/8
=18/8-1/8=17/8
`(-3/2)^2 +(1/2 -2/3) * 3/4`
`= 9/4 + ( 3/6 - 4/6) * 3/4`
`= 9/4 + (-1/6) * 3/4`
`= 9/4 + (-3/24)`
`= 9/4 + ( -1/8)`
`= 18/8 + (-1/8)`
`= 17/8`