This topic covers skills related to adding fractions and finding missing values without changing denominators. The focus is on solving equations where one must determine the missing fraction that would make the equation correct. Each problem involves a different set of fractions, but all require understanding of fraction addition and the ability to keep denominators unchanged while solving for the unknown part. This forms part of a broader introduction to fraction addition and subtraction.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Fraction Addition - Missing Value (Mixed) - No Changed Denominator Worksheet

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Fraction Addition - Missing Value (Mixed) - No Changed Denominator
1
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 5 = 32 over 5
a A LaTex expression showing 33 over 5
b A LaTex expression showing 41 over 5
c A LaTex expression showing 31 over 5
d A LaTex expression showing 4
e A LaTex expression showing 3
f A LaTex expression showing 18 over 25
2
Find the fraction that makes this equation correct
A LaTex expression showing 21 over 4 \;+\; \ sub \ sub \ _ = 21 over 2
a A LaTex expression showing 12 over 3
b A LaTex expression showing 55 over 8
c A LaTex expression showing 13 over 4
d A LaTex expression showing 11 over 2
e A LaTex expression showing 1 over 4
f A LaTex expression showing 3
3
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 4 = 11 over 2
a A LaTex expression showing 21 over 2
b A LaTex expression showing 3
c A LaTex expression showing 1 over 2
d A LaTex expression showing 11 over 4
e A LaTex expression showing 21 over 3
f A LaTex expression showing 2
4
Find the fraction that makes this equation correct
A LaTex expression showing 11 over 3 \;+\; \ sub \ sub \ _ = 12 over 3
a A LaTex expression showing 21 over 3
b A LaTex expression showing 3
c A LaTex expression showing 11 over 6
d A LaTex expression showing 1 over 3
e A LaTex expression showing 1
f A LaTex expression showing 2 over 3
5
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 2 = 4
a A LaTex expression showing 6
b A LaTex expression showing 31 over 2
c A LaTex expression showing 4
d A LaTex expression showing 2
e A LaTex expression showing 5
f A LaTex expression showing 21 over 2
6
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 3 = 22 over 3
a A LaTex expression showing 4
b A LaTex expression showing 32 over 3
c A LaTex expression showing 1
d A LaTex expression showing 3
e A LaTex expression showing 21 over 3
f A LaTex expression showing 8 over 9
7
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 2 = 2
a A LaTex expression showing 11 over 2
b A LaTex expression showing 2 over 5
c A LaTex expression showing 3
d A LaTex expression showing 3 over 5
e A LaTex expression showing 1
f A LaTex expression showing 2
8
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 6 = 21 over 3
a A LaTex expression showing 21 over 6
b A LaTex expression showing 2
c A LaTex expression showing 22 over 3
d A LaTex expression showing 7 over 18
e A LaTex expression showing 11 over 3
f A LaTex expression showing 4 over 9