Tolong di bantu dong... Sama cara nya plisssss di bantu ya besok di kumpulkan....

1a.
3/13 , 3/12 , 3/11 =>396/1716 , 429/1716 , 468/1716
b.
-7/9 , -2/3 , -5/9 =>-7/9 , -6/9 , -5/9

2.
a. 7/12 > 3/8 =>14/24>9/24
b. 14/24 > 8/15 =>70/120>64/120

3.
a.4/18 < 4/9 =>4/18<8/18
b.4/9 > 1/3 =>4/9>3/9
c.1/3 > 4/18 =>6/18>4/18
d.4/9 , 1/3 , 4/18 =>8/18 , 6/18 , 4/18