(11/15)+(4/3)-(4/5).
(11/15)+(4/3)-(4/5)．
<gadget id="calculator">11 / 15</gadget>
<output>11/15 = around 0.733333</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/3) - (4/5)</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">(11/15) + (8/15)</gadget>
<output>19/15 = around 1.266667</output>

<result>19/15 = around 1.266667</result>