Question

using properties find 3/7+(-6/11)+(-8/21)+5/22​

Answer 1

Answer:

Given that 3/7 + (- 6/11) + (- 8/21) + (5/22)

Taking L.C.M. of the denominators 7, 11, 21 and 22 and then solving it.

L.C.M. of 7, 11, 21 and 22 = 2 x 3 x 7 x 11 = 462

= (462/7) x 3 – (462/11) x 6 – (462/21) x 8 + (462/22) x 5

= (198/462) – (252/462) – (176/462) + (105/462)

= (303/462) – (428/462)

= (-125/462)

Answer 2

Answer:

• -125/462

Step-by-step explanation:

❁ Hello! ❁

3/7 + (-6/11) + (-8/21) + 5/22 =

= 3/7 - 6/11 - 8/21 + 5/22 =

= -9/77 - 8/21 + 5/22 =

= -115/231 + 5/22 =

= -125/462

Success! ☺️