Question

Simplify the following:
${2}^{ - 1} + {3}^{ - 1} + {4}^{ - 1}$
​

Answer 1

Answer:

13/12

Step-by-step explanation:

2^-1=1/2

3^-1=1/3

4^-1=1/4

2^-1+3^-1+4^-1=1/2+1/3+1/4(LCM=12)

                      =13/12