(-1/2)+(-51/5)+2-(-31/5)+(-4.5)-(21/3)

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(-1/2)+(-51/5)+2-(-31/5)+(-4.5)-(21/3)

(-1/2)+(-51/5)+2-(-31/5)+(-4.5)-(21/3)
(-1/2)+(-51/5)+2-(-31/5)+(-4.5)-(21/3)

(-1/2)+(-51/5)+2-(-31/5)+(-4.5)-(21/3)
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