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.

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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, Mixed - Advanced' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_mixed_advanced/
1
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 13 over 27
b A LaTex expression showing 4 over 11
c A LaTex expression showing 55 over 7
d A LaTex expression showing 40 over 77
e A LaTex expression showing 23 over 39
f A LaTex expression showing 5 over 11
2
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;2 over 3 = 17 over 21
a A LaTex expression showing 20 over 23
b A LaTex expression showing 19 over 21
c A LaTex expression showing 5 over 7
d A LaTex expression showing 1 over 7
e A LaTex expression showing 17 over 18
f A LaTex expression showing 34 over 63
3
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 10 over 11
b A LaTex expression showing 12 over 5
c A LaTex expression showing 1 over 2
d A LaTex expression showing 33 over 50
e A LaTex expression showing 24 over 5
f A LaTex expression showing 9 over 10
4
Find the fraction that makes this equation correct
A LaTex expression showing 2 over 3 \;+\; \ sub \ sub \ _ = 17 over 21
a A LaTex expression showing 61 over 3
b A LaTex expression showing 4 over 7
c A LaTex expression showing 1 over 7
d A LaTex expression showing 2 over 3
e A LaTex expression showing 20 over 23
f A LaTex expression showing 19 over 21
5
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;9 over 11 = 38 over 33
a A LaTex expression showing 11 over 35
b A LaTex expression showing 47 over 363
c A LaTex expression showing 11 over 36
d A LaTex expression showing 114 over 33
e A LaTex expression showing 11 over 33
f A LaTex expression showing 1 over 3
6
Find the fraction that makes this equation correct
A LaTex expression showing 6 over 7 \;+\; \ sub \ sub \ _ = 19 over 14
a A LaTex expression showing 34 over 7
b A LaTex expression showing 15 over 14
c A LaTex expression showing 13 over 10
d A LaTex expression showing 1 over 2
e A LaTex expression showing 11 over 15
f A LaTex expression showing 25 over 98
7
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;10 over 11 = 81 over 77
a A LaTex expression showing 15 over 87
b A LaTex expression showing 1 over 7
c A LaTex expression showing 110 over 73
d A LaTex expression showing 12 over 11
e A LaTex expression showing 76 over 77
f A LaTex expression showing 15 over 77