This math topic focuses on the skill of determining the missing fraction in an addition equation that includes mixed numbers and sometimes requires adjustment to a common denominator. The problems are presented with multiple-choice answers, each showing various fractions as potential solutions. The difficulties of these problems are designed for learners who are beginning to explore mixed fraction addition and subtraction, enhancing their ability to perform calculations with fractions and interpret mathematical expressions visually and numerically.

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

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Fraction Addition - Missing Value (Mixed) - One Changed Denominator Worksheet

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Math worksheet on 'Fraction Addition - Missing Value (Mixed) - One Changed Denominator (Level 2)'. Part of a broader unit on 'Fraction Addition and Subtraction, Mixed - Practice' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_mixed_practice/
1
Find the fraction that makes this equation correct
A LaTex expression showing 31 over 2 \;+\; \ sub \ sub \ _ = 43 over 4
a A LaTex expression showing 4
b A LaTex expression showing 31 over 4
c A LaTex expression showing 11 over 4
d A LaTex expression showing 13
e A LaTex expression showing 111 over 2
f A LaTex expression showing 5
2
Find the fraction that makes this equation correct
A LaTex expression showing 21 over 5 \;+\; \ sub \ sub \ _ = 27 over 10
a A LaTex expression showing 1 over 2
b A LaTex expression showing 23 over 10
c A LaTex expression showing 73 over 5
d A LaTex expression showing 33 over 7
e A LaTex expression showing 547 over 50
f A LaTex expression showing 3
3
Find the fraction that makes this equation correct
A LaTex expression showing 21 over 5 \;+\; \ sub \ sub \ _ = 32 over 5
a A LaTex expression showing 34 over 5
b A LaTex expression showing 33 over 5
c A LaTex expression showing 13 over 25
d A LaTex expression showing 712 over 25
e A LaTex expression showing 11 over 5
f A LaTex expression showing 53 over 5
4
Find the fraction that makes this equation correct
A LaTex expression showing 31 over 5 \;+\; \ sub \ sub \ _ = 32 over 5
a A LaTex expression showing 63 over 5
b A LaTex expression showing 3
c A LaTex expression showing 1022 over 25
d A LaTex expression showing 101 over 2
e A LaTex expression showing 1 over 5
f A LaTex expression showing 22 over 5
5
Find the fraction that makes this equation correct
A LaTex expression showing 31 over 7 \;+\; \ sub \ sub \ _ = 49 over 14
a A LaTex expression showing 413 over 14
b A LaTex expression showing 123 over 7
c A LaTex expression showing 11 over 2
d A LaTex expression showing 43 over 7
e A LaTex expression showing 1429 over 49
f A LaTex expression showing 46 over 7
6
Find the fraction that makes this equation correct
A LaTex expression showing 11 over 7 \;+\; \ sub \ sub \ _ = 19 over 14
a A LaTex expression showing 16 over 7
b A LaTex expression showing 1 over 2
c A LaTex expression showing 11 over 2
d A LaTex expression showing 143 over 49
e A LaTex expression showing 31 over 98
f A LaTex expression showing 14 over 11
7
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;3 over 6 = 4
a A LaTex expression showing 11 over 5
b A LaTex expression showing 11 over 6
c A LaTex expression showing 2 over 5
d A LaTex expression showing 1
e A LaTex expression showing 7
f A LaTex expression showing 31 over 2