Question

lcm of -18and20 please tell ​

Answer 1

Answer:

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Step-by-step explanation:

2  -18,20

2    -6,10

3   -3,5  

5    -1,5  

-1   - 1,1    

        1, 1

2*2*3*5*-1 = -40

l.c.m.= -40