#3 Subtract. Write your answer as a mixed number (a b/c)
3 7/9 - 2/3 =
To subtract these fractions, we need to find a common denominator. The denominators are 9 and 3, so a common denominator can be 9.
Now let's convert both fractions to have a denominator of 9:
3 7/9 = (3 * 9 + 7)/9 = 27/9
2/3 = (2 * 3)/9 = 6/9
Now we can subtract the fractions:
27/9 - 6/9 = (27 - 6)/9 = 21/9
To simplify this fraction, we can divide both the numerator and denominator by their greatest common factor, which is 3:
21/3 = 7
Therefore, the answer is 7.