cj26000089
cj26000089
20-09-2021
Mathematics
contestada
Plz answer these im giving my last points
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nabilanaji526
nabilanaji526
20-09-2021
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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