What is the ratio in its simplest form? <br> 56 : 16 : 32 = <input min="0" type="number" id ="imp5pg090q1d_1" class="lineinput" placeholder="?" /> : <input min="0" type="number" id ="imp5pg090q1d_2" class="lineinput" placeholder="?" /> : <input min="0" type="number" id ="imp5pg090q1d_3" class="lineinput" placeholder="?" />