Answer: 7 7/10
Step-by-step explanation:Find LCM Which means LEast common multiple so make 1 1/5 to 1 2/10 .now you can subtract 8 9/10 from 1 2/10 which gives you 7 7/10.
Hope it helps and look at pic below . :)
Explanation:
First you have to multiply 1 1/5 by two so that you could subtract it from 8 9/10. Once you do that that’s when you get 7 7/10.
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