-2 3/4+(3 2/5) 4 2/7+(-1 4/5)

Question

-2 3/4+(3 2/5) 4 2/7+(-1 4/5)

Answer 1

-2 3/4+(3 2/5)=3 2/5-2 3/4=3 10/20-2 15/20=2 30/20-2 10/20=20/20=1
4 2/7+(-1 4/5)=4 2/7-1 4/5=4 10/35-1 28/35=3 45/35-1 28/35=2 17/35

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