Answer:
-9 1/4
Step-by-step explanation:
-5 3/4 - 3 1/2
-5 3/4 - 3 2/4
-21
—
4
-5•3/4
————
-3•1/2
-3/2
2(-5•3)+4(-3)
———————
4•2
2(-15)-4•3
—————
-30 -12
-42
———
-2•3•7
2•2•2
-3•7
2•2
= -21
