what?

r=12 11/15

Hallo Guests!

r-8 1/3=4 2/5

r - (8 + 1/3) = (4 +2/5)

r = (4 + 2/5) + (8 + 1/3)

r = 4 + 8 + 2/5 + 1/3

r = 12 + (3*2 + 5*1) / 15

r = 12 + 11/15

Gruß asinus :- )

!