Question

$1\frac{1}{2}+2\frac{1}{4}-3\frac{3}{4}=?$

• A. 3/4
• B. 7 1/2
• C. 1/2
• D. 0

Answer 1

Answer:

D. 0

$1\frac{1}{2}+2\frac{1}{4}-3\frac{3}{4}=$

$\frac32+\frac94-\frac{15}{4}$

$=\frac64+\frac94-\frac{15}4$

$=\frac{15}{4}-\frac{15}{4}=0$