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Fraction Subtraction - Missing Value (Mixed) - One Changed Denominator (Level 3)

This math topic focuses on practicing how to find missing values in fraction subtraction equations. It specifically deals with fractions that require the adjustment of denominators or involve mixed numbers, enhancing skills in fraction manipulation and arithmetic. Each problem presents an equation with one unknown fraction, and multiple choice answers are provided for students to select the correct missing fraction that balances the equation. Overall, the topic deepens understanding of fraction subtraction and denominator alignment within more complex fractional math contexts.

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

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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

323  −  ___=2293\frac{2}{3}\;-\;\_\_\_ = 2\frac{2}{9}

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

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Math worksheet on 'Fraction Subtraction - Missing Value (Mixed) - One Changed Denominator (Level 3)'. Part of a broader unit on 'Fraction Addition and Subtraction, Mixed - Practice' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_mixed_practice/
1
Find the fraction that makes this equation correct
A LaTex expression showing 12 over 7 \;-\;\ sub \ sub \ _ = 17 over 21
a A LaTex expression showing 16 over 21
b A LaTex expression showing 12 over 49
c A LaTex expression showing 26 over 147
d A LaTex expression showing 1
e A LaTex expression showing 35 over 7
f A LaTex expression showing 10 over 21
2
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;15 over 6 = 5 over 6
a A LaTex expression showing 3
b A LaTex expression showing 22 over 3
c A LaTex expression showing 119 over 36
d A LaTex expression showing 11 over 2
e A LaTex expression showing 11 over 17
f A LaTex expression showing 2 over 3
3
Find the fraction that makes this equation correct
A LaTex expression showing 26 over 7 \;-\;\ sub \ sub \ _ = 15 over 21
a A LaTex expression showing 1
b A LaTex expression showing 12 over 21
c A LaTex expression showing 11 over 2
d A LaTex expression showing 64 over 7
e A LaTex expression showing 113 over 21
f A LaTex expression showing 15 over 23
4
Find the fraction that makes this equation correct
A LaTex expression showing 23 over 7 \;-\;\ sub \ sub \ _ = 22 over 21
a A LaTex expression showing 219 over 21
b A LaTex expression showing 61 over 147
c A LaTex expression showing 1 over 3
d A LaTex expression showing 25 over 21
e A LaTex expression showing 123 over 25
f A LaTex expression showing 119 over 23
5
Find the fraction that makes this equation correct
A LaTex expression showing 32 over 7 \;-\;\ sub \ sub \ _ = 3
a A LaTex expression showing 35 over 7
b A LaTex expression showing 5 over 12
c A LaTex expression showing 7
d A LaTex expression showing 5
e A LaTex expression showing 2 over 5
f A LaTex expression showing 2 over 7
6
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;13 over 15 = 14 over 15
a A LaTex expression showing 4 over 5
b A LaTex expression showing 3 over 25
c A LaTex expression showing 14 over 5
d A LaTex expression showing 182 over 225
e A LaTex expression showing 5 over 6
f A LaTex expression showing 16 over 19
7
Find the fraction that makes this equation correct
A LaTex expression showing 34 over 7 \;-\;\ sub \ sub \ _ = 117 over 21
a A LaTex expression showing 3 over 7
b A LaTex expression showing 116 over 21
c A LaTex expression showing 21 over 19
d A LaTex expression showing 117 over 25
e A LaTex expression showing 120 over 21
f A LaTex expression showing 668 over 147