Question

Помогите решить :

5 4/5 - 3 3/4 + 8 7/15 - 9 5/12

Answer 1

5 4/5 - 3 3/4 + 8 7/15 - 9 5/12=
5 12/15 - 3 9/12 + 8 7/15 - 9 5/12=
13 19/15 - 12 14/12=
214/15 - 158/12=
4*214/60 - 5*158/60=
856/60 - 790/60=
66/60= 11/10= 1 1/10