To subtract these two fractions, we first need to find a common denominator. The least common multiple of 9 and 3 is 9, so we can rewrite the fractions with 9 as the denominator:
3 7/9 - 2/3
= 3 7/9 - 6/9
= 3 1/9
Therefore, 3 7/9 - 2/3 = 3 1/9.
3 7/9-2/3
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