please tell b,e,f please
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(b)
-3/11 - 4/-11
-3/11 - (-4/11)
-3/11 + 4/11
1/11
(e)
-1/27 - 1/9
LCM = 27
-1/27 x 1/1 = -1/27
1/9 x 3/3 = 3/27
-1/27 - 3/27
-4/27
(f)
17/25 - (-13)/20
17/25 + 13/20
LCM = 100
17/25 x 4/4 = 68/100
-13/20 x 5/5 = -65/100
68/100 + (-65/100)
68/100 - 65/100
3/100
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