Question

(2^-1+3^-1+4^-1)×3÷4 Simplify and give reasons

Answer 1

Answer:

(2^-1+3^-1+4^-1)×3÷4

=> (1/2+1/3+1/4) × 3/4

=> [(6+4+3)/12] × 3/4

=> [ 13/12] × 3/4

=> 39/48 = 13/16