Question

Jimmy says 3; – 2 is a 4 2 - 1 / 3 What is the actual difference? What did Jimmy do wrong?

Answer 1

Given:

`3(4)/(9)-2(5)/(6)\text{ is }1(1)/(3)`
`\begin{gathered} 3(4)/(9)-2(5)/(6)=(31)/(9)-(17)/(6) \\ 3(4)/(9)-2(5)/(6)=(62-51)/(18) \\ 3(4)/(9)-2(5)/(6)=(11)/(18) \end{gathered}`
`\text{Actual difference is }(11)/(18)`

Jimmy done the subtraction directly without changing the mixed fraction to improper fraction and didn't took the LCM.