Question

$5\frac14-3\frac12=$

• A. 2(1/2)
• B. 1(3/4)
• C. 2(1/4)
• D. 1(1/4)

Answer 1

Answer:

B. 1(3/4)

$5\frac14-3\frac12$

$=\frac{21}{4}-\frac72$

$=\frac{21}{4}-\frac{14}{4}$

$=\frac74$

$=1\frac34$