3 1/3 + ( - 4,8)=

3⅓ + (-4,8)= 3,33-4,8= -1,47

3 1/3+(-4 4/5)= 10/3-24/5= 50/15-72/15= -22/15

3 1/3 + ( - 4,8) = 10/3 + (-24/5) = 50/15 + (-72/15) = wspólny mianownik -22/15 = -1 ⁷/₁₅