7/9 + 5/12 with lcm pls help
and give explanation pls

Step-by-step explanation:

1. ) 7/9 multiply x 4 and 5/12 multiply x 3 , to get the same denominator( bottom number)

2.) once you multiply 7/9 by 4 you should get 28/36 and once you multiply 5/12 by 3 you should get 15/36

3.) Now add the numerator( top numbers) so add 15 and 28 = 43

4.) Next put 43 as the numerator(top number) and 36 as the denominator (bottom number) = 43/36

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9