8/9×45/100÷1,4 memakai cara

8/9×45/100×10/14
=2/7

8/9×45/100÷14/10

= 8/9×45/100
= 8×45/9×100
= 360/900
= 36/90
= 18/45

= 18/45÷14/10
= 18/45×10/14
= 180/630
= 18/63
= 2/7

jadi, 8/9 × 45/100 ÷ 1,4 = 2/7

smoga membantu... =)
maaf kalo salah....