Răspuns:
2 intregi 8/15 = ( 2 x 15 + 8 ) / 15 = 38/15
5 intregi 1/4 = ( 5 x 4 + 1 ) / 4 = 21/4
Rezolvare :
(x + 38/15 ) x 3/2 = 21/4
x+38/15 = 21/4 : 3/2
x + 38/15 = 21/4 * 2/3
x+38/15 = 7/2
x=7/2-38/15 ( amplificare la 7/2 cu 15 iar la 38/15 amplificare cu 2)
x=105/30 - 76/30
x=29/30
