1 1 per 2 dibagi 40persen dikurang 0,3 dikali 1 per 9

Caranya

=(1/2÷40%)-(0,3×1/9)
=5/4-1/30
=73/60 atau 0,92 Mf kalau slh

11/2 : 40/100 - 0,3 x 1/9
=11/2 : 2/5 - 0,3/100 x 1/9
=11/2 x 5/2 - 3/10 x 1/9
=(11x5)/(2x2) - (3x1)/(10x9)
=55/4 - 3/90
=55/4 - 1/30
=1650 /120 - 4/120
=1646/120