Question

-2/5+(1/6+2/7) please give my answer I will mark you brilliant​

Answer 1

-2/5+(1//6+2/)

1/6+2/1

the Lcm of 6 and 1 is=6

then

1*1+2*6/6

1+12/6

13/6

then -2/5+13/6

the Lcm of 5 and 6 is =30

-2*6+13*5/30

-12+65/30

53/30 this is answer in decimal =1.76 bar