Question

-13/20+11/14+-5/7+1

please help me I will mark you as brainlist
THANKS​​

Answer 1

ANSWER:  43/140

STEP BY STEP EXPLANATION :

LCM = 280

So, it will be

(-130 + 220 - 200 + 196)/280

= 86/280

= 43/140

Answer 2

Answer:

hope this helps

Step-by-step explanation:

by making the denominators equal

LCM=140

-13 × 7/20×7 + 11×10/14×10 - 5*20/7*20 + 1*140/1×140

= -91/140 + 110/140 - 100/140 + 140/140

= 110+140-91-100 / 140

= 59/140