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Fraction Addition - Missing Value (Simple) - Two Changed Denominators (Level 2)

This math topic focuses on advanced fraction addition and subtraction, specifically exercises involving finding the missing value in equations with altered denominators. Each question presents a partially-completed fraction addition equation requiring students to determine the missing fraction that would balance the equation. The fractions involved frequently have different denominators, which necessitates skills in finding common denominators and simplifying complex fractions. This set of problems helps enhance understanding of fraction operations and exercises critical thinking in resolving fractional equivalences.

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

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Add. Missing Value (Simple) - Two Changed Denominators

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.

Find the fraction that makes this equation correct

___  +  12=910 \_\_\_ \;+\;\frac{1}{2} = \frac{9}{10}

Fraction Addition - Missing Value (Simple) - Two Changed Denominators Worksheet

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Math worksheet on 'Fraction Addition - Missing Value (Simple) - Two Changed Denominators (Level 2)'. Part of a broader unit on 'Fraction Addition and Subtraction - Advanced' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_advanced/
1
Find the fraction that makes this equation correct
A LaTex expression showing 1 over 2 \;+\; \ sub \ sub \ _ = 7 over 6
a A LaTex expression showing 4
b A LaTex expression showing 2 over 3
c A LaTex expression showing 11 over 2
d A LaTex expression showing 12 over 7
e A LaTex expression showing 11 over 6
f A LaTex expression showing 7 over 12
2
Find the fraction that makes this equation correct
A LaTex expression showing 9 over 11 \;+\; \ sub \ sub \ _ = 38 over 33
a A LaTex expression showing 11 over 6
b A LaTex expression showing 13 over 11
c A LaTex expression showing 11 over 32
d A LaTex expression showing 1 over 3
e A LaTex expression showing 12 over 33
f A LaTex expression showing 13 over 7
3
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 5 = 13 over 15
a A LaTex expression showing 14 over 75
b A LaTex expression showing 2 over 3
c A LaTex expression showing 13 over 75
d A LaTex expression showing 8 over 15
e A LaTex expression showing 11 over 8
f A LaTex expression showing 13 over 15
4
Find the fraction that makes this equation correct
A LaTex expression showing 3 over 5 \;+\; \ sub \ sub \ _ = 38 over 55
a A LaTex expression showing 1 over 11
b A LaTex expression showing 41 over 275
c A LaTex expression showing 114 over 275
d A LaTex expression showing 36 over 55
e A LaTex expression showing 34 over 55
f A LaTex expression showing 43 over 58
5
Find the fraction that makes this equation correct
A LaTex expression showing 1 over 7 \;+\; \ sub \ sub \ _ = 39 over 77
a A LaTex expression showing 5 over 11
b A LaTex expression showing 55 over 7
c A LaTex expression showing 40 over 77
d A LaTex expression showing 23 over 39
e A LaTex expression showing 13 over 27
f A LaTex expression showing 4 over 11
6
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;3 over 7 = 16 over 21
a A LaTex expression showing 16 over 21
b A LaTex expression showing 4 over 7
c A LaTex expression showing 7 over 10
d A LaTex expression showing 2 over 3
e A LaTex expression showing 5 over 6
f A LaTex expression showing 1 over 3
7
Find the fraction that makes this equation correct
A LaTex expression showing 3 over 5 \;+\; \ sub \ sub \ _ = 11 over 10
a A LaTex expression showing 24 over 5
b A LaTex expression showing 12 over 5
c A LaTex expression showing 1 over 2
d A LaTex expression showing 9 over 10
e A LaTex expression showing 10 over 11
f A LaTex expression showing 33 over 50