5,4(-3 1/3)+13,8 = 5 (-10/3) + 13 + = -50/3 + 2= -50/3 + 63/= 13/3
1 13/15 + 3 5/6 = (1 + 3) + (13/15 + 5/6= 4 + (78/90 + 75/90= 4 + 153/9= (360/90 + 153/90= 513/9= 57/10
Therefore, the final answer is 57/10.
5,4(-3 1/3)+13,8 = 5 (-10/3) + 13 +
= -50/3 + 2
= -50/3 + 63/
= 13/3
1 13/15 + 3 5/6 = (1 + 3) + (13/15 + 5/6
= 4 + (78/90 + 75/90
= 4 + 153/9
= (360/90 + 153/90
= 513/9
= 57/10
Therefore, the final answer is 57/10.