This math topic focuses on the advanced practice of fraction subtraction by finding missing values in equations with different denominators. Each problem presents a fraction subtraction equation with one missing fraction, and the goal is to determine which of several options correctly completes the equation. The skills emphasized include understanding and manipulating fractions with different denominators and enhancing problem-solving abilities in fraction operations.

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

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

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Fraction Subtraction - Missing Value (Simple) - Two Changed Denominators
1
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;5 over 11 = 1 over 22
a A LaTex expression showing 2 over 19
b A LaTex expression showing 1 over 22
c A LaTex expression showing 3 over 11
d A LaTex expression showing 1 over 5
e A LaTex expression showing 1 over 2
f A LaTex expression showing 5 over 242
2
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 2 = 1 over 10
a A LaTex expression showing 2 over 5
b A LaTex expression showing 1
c A LaTex expression showing 1 over 20
d A LaTex expression showing 1 over 7
e A LaTex expression showing 1 over 10
f A LaTex expression showing 3 over 5
3
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 2 = 5 over 14
a A LaTex expression showing 3 over 7
b A LaTex expression showing 6 over 7
c A LaTex expression showing 5 over 16
d A LaTex expression showing 1 over 5
e A LaTex expression showing 7 over 18
f A LaTex expression showing 7 over 15
4
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 2 = 1 over 22
a A LaTex expression showing 3 over 23
b A LaTex expression showing 6 over 11
c A LaTex expression showing 4 over 19
d A LaTex expression showing 0
e A LaTex expression showing 1 over 11
f A LaTex expression showing 1
5
Find the fraction that makes this equation correct
A LaTex expression showing 2 over 3 \;-\;\ sub \ sub \ _ = 1 over 6
a A LaTex expression showing 1 over 6
b A LaTex expression showing 1 over 3
c A LaTex expression showing 0
d A LaTex expression showing 1 over 2
e A LaTex expression showing 1 over 9
f A LaTex expression showing 5 over 6
6
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 7 = 59 over 77
a A LaTex expression showing 59 over 539
b A LaTex expression showing 58 over 75
c A LaTex expression showing 54 over 73
d A LaTex expression showing 60 over 539
e A LaTex expression showing 28 over 37
f A LaTex expression showing 10 over 11
7
Find the fraction that makes this equation correct
A LaTex expression showing 1 over 2 \;-\;\ sub \ sub \ _ = 1 over 14
a A LaTex expression showing 3 over 7
b A LaTex expression showing 5 over 14
c A LaTex expression showing 1 over 7
d A LaTex expression showing 1 over 28
e A LaTex expression showing 1 over 14
f A LaTex expression showing 1 over 5
8
Find the fraction that makes this equation correct
A LaTex expression showing 4 over 7 \;-\;\ sub \ sub \ _ = 1 over 14
a A LaTex expression showing 5 over 14
b A LaTex expression showing 4 over 9
c A LaTex expression showing 5 over 98
d A LaTex expression showing 1 over 2
e A LaTex expression showing 5 over 7
f A LaTex expression showing 1 over 5