Question

1/7.1/3+9/4:3/2-5/14=

Answer 1

1/7.1/3  +  9/4:3/2  -  5/14=

1/21 +  3/2  - 5/14

Minimo multiplo comum de 21 , 2 , 14  = 42

42/21=2 x 1  = ( 2 )   +  42/2= 21x 3= ( 63)   -  42/14=3 x 5 = ( 15)

2+63+15= 80