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Answer:
9 46/180
Step-by-step explanation:
1 2/10 + 8 1/18 =
12/10 + 145/18 =
LCM(10, 18) = 90
12/10 = 108/90
145/18 = 725/90
108/90 + 725/90 =
833/90 = 9 23/90 =
9 46/180