It's 1 5/9 miles. You change 4 3/9 into 3 12/9. 3 12/9-2 7/9= 1 5/9
Henry swam 1 9 5 miles on Tuesday after swimming a total of 4 9 3 miles between Monday and Tuesday. On Monday, he swam 2 9 7 miles, and by subtracting that from the total, we find out how far he swam on Tuesday. The calculation indicates that his Tuesday swim was 1 9 5 miles.
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