HomePricing

Fraction Subtraction - Missing Value (Mixed) - One Changed Denominator (Level 1)

This math topic focuses on practicing fraction subtraction with a missing value in mixed numbers. Specifically, problems require solving for an unknown fraction in subtraction equations where one denominator has been changed. The topic is part of a larger introductory unit on mixed number addition and subtraction. Each problem provides a subtraction equation and a set of answer choices, with one correct fraction that brings balance to the equation, enhancing skills in manipulating and understanding fractions within nonlinear equations.

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

View Unit

Sub. Missing Value (Mixed) - One Changed Denominator

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


Find the fraction that makes this equation correct

312  −  ___=3133\frac{1}{2}\;-\;\_\_\_ = 3\frac{1}{3}

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

Mobius Math Club logo
Math worksheet on 'Fraction Subtraction - Missing Value (Mixed) - One Changed Denominator (Level 1)'. Part of a broader unit on 'Fraction Addition and Subtraction, Mixed - Intro' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_mixed_intro/
1
Find the fraction that makes this equation correct
A LaTex expression showing 11 over 3 \;-\;\ sub \ sub \ _ = 12 over 9
a A LaTex expression showing 12 over 3
b A LaTex expression showing 11 over 13
c A LaTex expression showing 1 over 9
d A LaTex expression showing 5 over 9
e A LaTex expression showing 7 over 9
f A LaTex expression showing 117 over 27
2
Find the fraction that makes this equation correct
A LaTex expression showing 21 over 3 \;-\;\ sub \ sub \ _ = 22 over 9
a A LaTex expression showing 22 over 9
b A LaTex expression showing 9
c A LaTex expression showing 1 over 9
d A LaTex expression showing 55 over 27
e A LaTex expression showing 13 over 13
f A LaTex expression showing 1
3
Find the fraction that makes this equation correct
A LaTex expression showing 11 over 2 \;-\;\ sub \ sub \ _ = 11 over 4
a A LaTex expression showing 1
b A LaTex expression showing 2 over 3
c A LaTex expression showing 11 over 2
d A LaTex expression showing 1 over 4
e A LaTex expression showing 17 over 8
f A LaTex expression showing 4
4
Find the fraction that makes this equation correct
A LaTex expression showing 11 over 2 \;-\;\ sub \ sub \ _ = 11 over 3
a A LaTex expression showing 1
b A LaTex expression showing 11 over 2
c A LaTex expression showing 2
d A LaTex expression showing 2 over 3
e A LaTex expression showing 11 over 6
f A LaTex expression showing 1 over 6
5
Find the fraction that makes this equation correct
A LaTex expression showing 31 over 2 \;-\;\ sub \ sub \ _ = 31 over 4
a A LaTex expression showing 31 over 4
b A LaTex expression showing 2
c A LaTex expression showing 1 over 4
d A LaTex expression showing 14 over 11
e A LaTex expression showing 3
f A LaTex expression showing 21 over 4
6
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 4 = 21 over 4
a A LaTex expression showing 5 over 8
b A LaTex expression showing 21 over 3
c A LaTex expression showing 21 over 4
d A LaTex expression showing 23 over 5
e A LaTex expression showing 11 over 4
f A LaTex expression showing 21 over 2
7
Find the fraction that makes this equation correct
A LaTex expression showing 31 over 2 \;-\;\ sub \ sub \ _ = 31 over 3
a A LaTex expression showing 1 over 6
b A LaTex expression showing 81 over 2
c A LaTex expression showing 11 over 5
d A LaTex expression showing 112 over 3
e A LaTex expression showing 31 over 2
f A LaTex expression showing 41 over 3