Fraction Subtraction - Missing Value (Simple) - One Changed Denominator

Level 1

This topic focuses on the skill of subtracting fractions, specifically identifying a missing value in a simple subtraction equation with one changed denominator. It requires the learner to solve for the unknown fraction in equations such as "1/2 - ? = 1/3". This is a fundamental component of the larger unit on introduction to addition and subtraction of fractions. Various possible answers are provided for the questions.

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

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Sub. Missing Value (Simple) - 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

___    110=110\_\_\_\;-\;\frac{1}{10} = \frac{1}{10}

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

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Math worksheet on 'Fraction Subtraction - Missing Value (Simple) - One Changed Denominator (Level 1)'. Part of a broader unit on 'Fraction Addition and Subtraction - Intro' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_intro/
1
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 6 = 1 over 6
a A LaTex expression showing 2 over 5
b A LaTex expression showing 3 over 4
c A LaTex expression showing 1 over 36
d A LaTex expression showing 1
e A LaTex expression showing 1 over 3
f A LaTex expression showing 1 over 2
2
Find the fraction that makes this equation correct
A LaTex expression showing 1 over 3 \;-\;\ sub \ sub \ _ = 1 over 6
a A LaTex expression showing 4 over 7
b A LaTex expression showing 2 over 3
c A LaTex expression showing 1 over 9
d A LaTex expression showing 4 over 5
e A LaTex expression showing 1 over 6
f A LaTex expression showing 1 over 3
3
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 9 = 2 over 9
a A LaTex expression showing 2 over 13
b A LaTex expression showing 3 over 10
c A LaTex expression showing 5 over 9
d A LaTex expression showing 1 over 3
e A LaTex expression showing 1 over 27
f A LaTex expression showing 2 over 81
4
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 21 = 2 over 21
a A LaTex expression showing 4 over 21
b A LaTex expression showing 0
c A LaTex expression showing 3 over 10
d A LaTex expression showing 1 over 7
e A LaTex expression showing 1 over 147
f A LaTex expression showing 2 over 441
5
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 10 = 1 over 10
a A LaTex expression showing 1
b A LaTex expression showing 1 over 100
c A LaTex expression showing 1 over 10
d A LaTex expression showing 5 over 11
e A LaTex expression showing 1 over 5
f A LaTex expression showing 2 over 5
6
Find the fraction that makes this equation correct
A LaTex expression showing 1 over 3 \;-\;\ sub \ sub \ _ = 2 over 9
a A LaTex expression showing 2 over 3
b A LaTex expression showing 1
c A LaTex expression showing 1 over 9
d A LaTex expression showing 4 over 9
e A LaTex expression showing 3 over 11
f A LaTex expression showing 1 over 2
7
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ sub \ ;-\;1 over 4 = 1 over 4
a A LaTex expression showing 5 over 8
b A LaTex expression showing 11 over 4
c A LaTex expression showing 1 over 2
d A LaTex expression showing 1
e A LaTex expression showing 2 over 5
f A LaTex expression showing 1 over 8