Răspuns :
Aducem la numitor comun 120
(120/120+60/120+40/120+30/120+24/120)-(60/120+40/120+30/120+24/120-120/120)
274/120-34/120
240/120=2
(120/120+60/120+40/120+30/120+24/120)-(60/120+40/120+30/120+24/120-120/120)
274/120-34/120
240/120=2