4.6 minus bracket - 3 / 4 plus 1.6 minus bracket - 3 / 4

4.6 minus bracket - 3 / 4 plus 1.6 minus bracket - 3 / 4

4.6-(-3/4+1.6)-3/4
=(4.6-1.6)+(3/4-3/4)
=3+0
=3