Question

simplify (3-¹ + 4-¹)-¹​

Answer 1

Answer:

12/7

Step-by-step explanation:

(3-¹ + 4-¹)-¹​

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

= $\frac{1}{\frac{4+3}{4*3} }$

= $\frac{1}{(\frac{7}{12} ) }$

= 12/7