Question

What is 3 2/5 minus 1 9/10

Answer 1

The answer is 1 1/2 or 1 5/10

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Answer 2

`3(2)/(5)=3(2\cdot2)/(5\cdot2)=3(4)/(10)=3.4\\\\1(9)/(10)=1.9\\\\3(2)/(5)-1(9)/(10)=3.4-1.9=\boxed{1.5}`