514−312=5\frac14-3\frac12=541−321= A2(1/2)B1(3/4)C2(1/4)D1(1/4)Answer: B. 1(3/4) Read Explanation: 514−3125\frac14-3\frac12541−321 =214−72=\frac{21}{4}-\frac72=421−27 =214−144=\frac{21}{4}-\frac{14}{4}=421−414 =74=\frac74=47 =134=1\frac34=143 Read more in App