2 pangkat (-4) + 4 pangkat (-1)

[tex] {2}^{ - 4} + {4}^{ - 1} = \frac{1}{ {2}^{4} } + \frac{1}{4} \\ \frac{1}{16} + \frac{1}{4} = \frac{1 + 4}{16} = \frac{5}{16} [/tex]