3 / 5 – 20% + 0,85 =……?

=3/5-20%+0, 85
=3/5-20/100+85/100
=60-25+85
___________
100
=120/100
=1, 2

3/5 – 20/100 + 85/100
> 3/5 ubah penyebutnya biar sama kalikan 20
3×20/5×20 —> 60/100
60/100 – 20/100 + 85/100 = 125/100 atau 1,25