$$ \begin{aligned} -\frac{1}{12} &= \frac{1}{5}y&& \text{multiply ALL terms by } \color{blue}{ 60 }. \\[1 em]-60\cdot\frac{1}{12} &= 60 \cdot \frac{1}{5}y&& \text{cancel out the denominators} \\[1 em]-5 &= 12y&& \text{ swap the left and right side of the equation } \\[1 em]12y &= -5&& \text{ divide both sides by $ 12 $ } \\[1 em]y &= -\frac{5}{12}&& \\[1 em] \end{aligned} $$

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