Worked example
What is + ?
Answer & why
Answer:
Two sevenths and three sevenths make five sevenths.
Grade 4 · Math
Add like-denominator fractions
Add equal-sized fractional parts while keeping the denominator.
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Question 1
What is + ? Keep the denominator 5.
A hint
The denominator names the size of each piece.
Answer & why
Answer:
The pieces are the same size. Add the numerators and keep 5 as the denominator: 3/5.
Question 2
What is + ? Keep the denominator 11.
A hint
The denominator names the size of each piece.
Answer & why
Answer:
The pieces are the same size. Add the numerators and keep 11 as the denominator: 16/11.
Question 3
What is + ? Keep the denominator 4.
A hint
The denominator names the size of each piece.
Answer & why
Answer:
The pieces are the same size. Add the numerators and keep 4 as the denominator: 3/4.
Question 4
What is + ? Keep the denominator 4.
A hint
The denominator names the size of each piece.
Answer & why
Answer:
The pieces are the same size. Add the numerators and keep 4 as the denominator: 6/4.
Question 5
What is + ? Keep the denominator 7.
A hint
The denominator names the size of each piece.
Answer & why
Answer:
The pieces are the same size. Add the numerators and keep 7 as the denominator: 5/7.
Question 6
What is + ? Keep the denominator 11.
A hint
The denominator names the size of each piece.
Answer & why
Answer:
The pieces are the same size. Add the numerators and keep 11 as the denominator: 10/11.
Question 7
What is + ? Keep the denominator 12.
A hint
The denominator names the size of each piece.
Answer & why
Answer:
The pieces are the same size. Add the numerators and keep 12 as the denominator: 11/12.
Question 8
What is + ? Keep the denominator 9.
A hint
The denominator names the size of each piece.
Answer & why
Answer:
The pieces are the same size. Add the numerators and keep 9 as the denominator: 6/9.