Question

4/5-9/4+3/7-8/5+6/7​

Answer 1

Answer:

4/5-8/5+3/7+6/7-9/4

=-4/5+9/7-9/4

=-112+180-315/140-----(Taking LCM)

=-247/140

I hope it helps.......

Answer 2

Step-by-step explanation:

take the LCM of 5,4,7 then=140

4*28/5*28-9*35/4*35+3*20/7*20-8*28/5*28+6*20/7*20

112/140-315/140+60/140-224/140+120/140

112-315+60-224+120/140

-247/140

-366.14