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Fraction Subtraction - Missing Value (Mixed) - Two Changed Denominators (Level 3)

This math topic focuses on advanced skills in fraction subtraction, specifically involving finding missing values in equations with mixed fractions that have changed denominators. It challenges students to identify the correct fraction needed to balance complex subtraction equations, emphasizing operations with mixed numbers and different denominators. This falls under a broader curriculum of fraction addition and subtraction at an advanced level, enhancing proficiency in fraction manipulations and understanding of algebraic principles in fractions.

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

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Sub. Missing Value (Mixed) - 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

257  −  ___=132352\frac{5}{7}\;-\;\_\_\_ = 1\frac{32}{35}

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

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Math worksheet on 'Fraction Subtraction - Missing Value (Mixed) - Two Changed Denominators (Level 3)'. 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 \ sub \ sub \ sub \ ;-\;12 over 3 = 11 over 15
a A LaTex expression showing 7 over 10
b A LaTex expression showing 12 over 9
c A LaTex expression showing 11 over 15
d A LaTex expression showing 11 over 15
e A LaTex expression showing 22 over 5
f A LaTex expression showing 13 over 15
2
Find the fraction that makes this equation correct
A LaTex expression showing 24 over 5 \;-\;\ sub \ sub \ _ = 114 over 55
a A LaTex expression showing 113 over 54
b A LaTex expression showing 3141 over 275
c A LaTex expression showing 15 over 69
d A LaTex expression showing 128 over 55
e A LaTex expression showing 16 over 11
f A LaTex expression showing 112 over 55
3
Find the fraction that makes this equation correct
A LaTex expression showing 25 over 7 \;-\;\ sub \ sub \ _ = 32 over 35
a A LaTex expression showing 72 over 7
b A LaTex expression showing 14 over 5
c A LaTex expression showing 13 over 32
d A LaTex expression showing 13 over 18
e A LaTex expression showing 2118 over 245
f A LaTex expression showing 34 over 35
4
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;4 over 5 = 113 over 15
a A LaTex expression showing 18 over 15
b A LaTex expression showing 114 over 19
c A LaTex expression showing 113 over 15
d A LaTex expression showing 22 over 3
e A LaTex expression showing 16 over 7
f A LaTex expression showing 19 over 14
5
Find the fraction that makes this equation correct
A LaTex expression showing 22 over 7 \;-\;\ sub \ sub \ _ = 24 over 35
a A LaTex expression showing 24 over 35
b A LaTex expression showing 31 over 51
c A LaTex expression showing 1139 over 245
d A LaTex expression showing 27 over 37
e A LaTex expression showing 8 over 49
f A LaTex expression showing 13 over 5
6
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;16 over 7 = 139 over 77
a A LaTex expression showing 137 over 78
b A LaTex expression showing 136 over 77
c A LaTex expression showing 183 over 7
d A LaTex expression showing 135 over 79
e A LaTex expression showing 137 over 81
f A LaTex expression showing 34 over 11
7
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;18 over 11 = 31 over 33
a A LaTex expression showing 31 over 32
b A LaTex expression showing 117 over 33
c A LaTex expression showing 46 over 11
d A LaTex expression showing 29 over 34
e A LaTex expression showing 13 over 17
f A LaTex expression showing 22 over 3