Calculate: 7/8-(-3/16)

Expression: $\frac{7}{8}-(-\frac{3}{16})$

Apply rule $a-(-b)=a+b$

$=\frac{7}{8}+\frac{3}{16}$ $=\frac{14}{16}+\frac{3}{16}$

Apply the fraction rule $\frac{a}{c}+\frac{b}{c}=\frac{a+b}{c}$

$=\frac{14+3}{16}$

Add the numbers: $ 14+3=17$

$=\frac{17}{16}$