Question

(1/2 + 1/7 + 1/3) ÷ ( 1/42)

Answer 1

1. sumamos lo del paréntesis
2. dividimos

(1/2 + 1/7 + 1/3) ÷ ( 1/42)
( 21+6+14/42)÷(1/42)
( 69/42)÷(1/42)

Se simplifica horizontalmente y se multiplica en X

(69/42)÷(1/42)
(69/1)÷(1/1)
69

R= 69