Question

1 13/15 . 0,75 - (11/20+25%) : 1 2/5

Answer 1

=28/15 . 3/4 - 4/5 : 7/5

= 7/5 - 4/5 x 5/7

= 7/5 - 4/7

= 49/35 - 20/35

= 29/35

Answer 2

`1 13/15 . 0,75 - (11/20 + 25%) : 1 2/5`

=` 28/15 . 3/4 - (11/20 + 1/4)  . 75/7`

= `7/5 - 4/5 . 57 `

= `7/5 - 4/7`

= `29/35`

Answer 3

29/35