Question

Evaluate (1/5) ^(-1 ) -(1/4)^ (-1) ^ (-1)

Answer 1

Answer:

(1/5) ^(-1 ) -(1/4)^ (-1) ^ (-1)

= $(1/5 ){^-^1}$ - $((1/4){^-^1})^-^1$

= $5^{1}$ - $4{^-^1}$

= 5 - $\frac{1}{4}$

LCM=4

5 x 4/4 = 20/4

= 20/4 - 1/4

= 19/4

= 4 3/4