$\dfrac{5,303}{x-60} - \dfrac{5,303}{x} \color{#1570bd}- \dfrac{\color{#1570bd}4\color{#1570bd}7\color{#1570bd},\color{#1570bd}3}{\color{#1570bd}3\color{#1570bd}6\color{#1570bd}0\color{#1570bd}0} = \dfrac{47,3}{3600} \color{#1570bd}- \dfrac{\color{#1570bd}4\color{#1570bd}7\color{#1570bd},\color{#1570bd}3}{\color{#1570bd}3\color{#1570bd}6\color{#1570bd}0\color{#1570bd}0}$