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

Level 2

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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Sub. 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

47    ___=114\frac{4}{7}\;-\;\_\_\_ = \frac{1}{14}

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

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Math worksheet on 'Fraction Subtraction - 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 10 over 11 \;-\;\ sub \ sub \ _ = 39 over 55
a A LaTex expression showing 78 over 121
b A LaTex expression showing 10 over 13
c A LaTex expression showing 43 over 50
d A LaTex expression showing 36 over 59
e A LaTex expression showing 1 over 5
f A LaTex expression showing 13 over 17
2
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 2
b A LaTex expression showing 1 over 6
c A LaTex expression showing 1 over 9
d A LaTex expression showing 0
e A LaTex expression showing 1 over 3
f A LaTex expression showing 5 over 6
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 6 over 7
b A LaTex expression showing 1 over 5
c A LaTex expression showing 5 over 16
d A LaTex expression showing 7 over 15
e A LaTex expression showing 7 over 18
f A LaTex expression showing 3 over 7
4
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 1 over 14
b A LaTex expression showing 1 over 7
c A LaTex expression showing 1 over 28
d A LaTex expression showing 3 over 7
e A LaTex expression showing 5 over 14
f A LaTex expression showing 1 over 5
5
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 7 = 16 over 35
a A LaTex expression showing 23 over 7
b A LaTex expression showing 23 over 36
c A LaTex expression showing 16 over 245
d A LaTex expression showing 3 over 5
e A LaTex expression showing 17 over 35
f A LaTex expression showing 17 over 245
6
Find the fraction that makes this equation correct
A LaTex expression showing 4 over 5 \;-\;\ sub \ sub \ _ = 7 over 15
a A LaTex expression showing 11 over 75
b A LaTex expression showing 21 over 5
c A LaTex expression showing 12 over 19
d A LaTex expression showing 1 over 3
e A LaTex expression showing 11 over 18
f A LaTex expression showing 28 over 75
7
Find the fraction that makes this equation correct
A LaTex expression showing 1 over 3 \;-\;\ sub \ sub \ _ = 5 over 33
a A LaTex expression showing 1 over 8
b A LaTex expression showing 2 over 11
c A LaTex expression showing 1 over 33
d A LaTex expression showing 1 over 11
e A LaTex expression showing 4 over 17
f A LaTex expression showing 7 over 33
Fraction Subtraction - Missing Value (Simple) - Two Changed Denominators (Level 2) - Mobius Math