bu yuyun memiliki persediañ 1 3per4 - 4per5

[tex]1 \frac{3}{4} - \frac{4}{5} [/tex]
[tex] \frac{7}{4} - \frac{4}{5} [/tex]
[tex] \frac{35}{20} - \frac{16}{20} [/tex]
[tex] - \frac{19}{20} [/tex]

1 ¾ - 4/5
=7/4 - 4/5
=35/20 - 16/20
=19/20
=0,95