Question

21 3/8+(-51 1/4)
-65 2/5+103
-34.528+78.12
863.78+(-1024.01)

Answer 1

Answer:

$21\frac{3}{8} +(-51\frac{1}{4} )=21\frac{3}{8} -51\frac{1}{4} =-\frac{39}{8}$

$-65\frac{2}{5} +103=77$

$-34.528+78.12=43.592$

$863.78+(-1024.01)=863.78-1024.01=-160.23$