a+b=32 5/12=389/12
a=b- 9 7/18=b-169/18
inlocuim
b-169/18+b=389/12
2b=389/12-169/18
numitor comun 36
(36x2b)/36=(389x3)/36-(169x2)/36inmultim totul cu 36 sa scapam de numitor
72b=1167-338
72b=829
b=829/72
b=11 intregi37/72
a=b-169/18
a=829/72-169/18
a=829/72-(169x4)/72
a=(829-676)/72
a=153/72
a=2 intregi9/72
