Resolver (2)/(4)-(2)/(7)= | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac{ 2 }{ 4 } - \frac{ 2 }{ 7 } =$$