3 years ago

Plz answer these im giving my last points

1 answer:

5 0

1) 2 1/9 + -5/9
= 19/9 + -5/9
= 19-5/9
= 14/9

2) -2/7 + -3/21
LCM of 7 and 21 = 21

-2/7+ -3/21
= (3 x -2) - 3/21
= -6 - 3/21
= -9/21
= -3/7

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