This math topic focuses on advanced fraction subtraction, specifically identifying missing values in equations involving mixed fractions and adjusted denominators. It is structured as a series of problems where students must determine the correct fraction to complete an equation, comparing their answers among multiple choice options. Each equation involves subtracting one fraction from another or a whole number, with either the minuend or subtrahend left as a variable represented by a placeholder. The problems challenge students' understanding of fraction subtraction across different denominators, enhancing their skills in problem-solving within the context of fraction arithmetic.

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

more
View

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

Mobius Math Academy logo
Math worksheet on 'Fraction Subtraction - Missing Value (Mixed) - Two Changed Denominators (Level 1)'. Part of a broader unit on 'Fraction Addition and Subtraction, Mixed - Advanced' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_mixed_advanced/
1
Find the fraction that makes this equation correct
A LaTex expression showing 21 over 2 \;-\;\ sub \ sub \ _ = 21 over 6
a A LaTex expression showing 41 over 3
b A LaTex expression showing 55 over 12
c A LaTex expression showing 11 over 3
d A LaTex expression showing 15 over 6
e A LaTex expression showing 9
f A LaTex expression showing 1 over 3
2
Find the fraction that makes this equation correct
A LaTex expression showing 11 over 7 \;-\;\ sub \ sub \ _ = 17 over 21
a A LaTex expression showing 16 over 23
b A LaTex expression showing 14 over 21
c A LaTex expression showing 25 over 147
d A LaTex expression showing 136 over 147
e A LaTex expression showing 1 over 3
f A LaTex expression showing 13 over 23
3
Find the fraction that makes this equation correct
A LaTex expression showing 11 over 3 \;-\;\ sub \ sub \ _ = 14 over 21
a A LaTex expression showing 13 over 22
b A LaTex expression showing 1
c A LaTex expression showing 14 over 21
d A LaTex expression showing 1 over 7
e A LaTex expression showing 12 over 7
f A LaTex expression showing 13 over 25
4
Find the fraction that makes this equation correct
A LaTex expression showing 31 over 2 \;-\;\ sub \ sub \ _ = 39 over 22
a A LaTex expression showing 38 over 11
b A LaTex expression showing 41
c A LaTex expression showing 1141 over 44
d A LaTex expression showing 219 over 29
e A LaTex expression showing 1 over 11
f A LaTex expression showing 34 over 11
5
Find the fraction that makes this equation correct
A LaTex expression showing 11 over 2 \;-\;\ sub \ sub \ _ = 11 over 6
a A LaTex expression showing 3 over 8
b A LaTex expression showing 12 over 3
c A LaTex expression showing 1 over 3
d A LaTex expression showing 11 over 3
e A LaTex expression showing 5 over 6
f A LaTex expression showing 11 over 10
6
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 3 = 125 over 33
a A LaTex expression showing 116 over 37
b A LaTex expression showing 127 over 34
c A LaTex expression showing 25 over 28
d A LaTex expression showing 125 over 33
e A LaTex expression showing 59 over 99
f A LaTex expression showing 21 over 11
7
Find the fraction that makes this equation correct
A LaTex expression showing 21 over 3 \;-\;\ sub \ sub \ _ = 15 over 6
a A LaTex expression showing 2
b A LaTex expression showing 1
c A LaTex expression showing 21 over 6
d A LaTex expression showing 21 over 3
e A LaTex expression showing 11 over 2
f A LaTex expression showing 1 over 2
Fraction Subtraction - Missing Value (Mixed) - Two Changed Denominators (Level 1) - Mobius Math