[latex](1 \frac{1}{5}- \frac{7}{12} )*60=[/latex]

([latex] \frac{6}{5} [/latex] -[latex] \frac{7}{12} [/latex]) * [latex] \frac{60}{1} [/latex] = ([latex] \frac{72}{60} [/latex] - [latex] \frac{35}{60} [/latex]) * [latex] \frac{60}{1} [/latex] = [latex] \frac{67}{60} [/latex] * [latex] \frac{60}{1} [/latex] = 67