Answer:
1) 4 1/4 fractions need to be added to equal one whole.
2) 3 1/3 fractions need to be added to equal one whole.
3) 9 1/9 fractions need to be added to equal one whole.
4) 6 1/6 fractions need to be added to equal one whole.
5) 1/4 + 1/4 + 1/4 = 3/4
Explanation:
Whenever you add fractions with the same denominator, you add the numerators and the denominator remains unchanged.
The denominator of every fraction is how much is needed to make one whole.