Question

please answer it fast ,,,i know it's simple ​

Answer 1

Answer:

3 1/7 + (-5/14) + (-7/12) + 2 3/4

22/7 -5/14-7/12+ 11/4

LCM of 7 , 14 , 12 ,4 is 84

(22/7)× 12/12 - (5/14)6/6 (-7/12) ×7/7 + (11/4)×21/21

264/84 - 30/84-49/84+231/ 84

264-30-49+231/84

416/84

208/42

104/21

Answer 2

Answer:

the answer is 89/21.

hope this helps