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

Level 1

This math topic helps students practice addition of fractions by finding the missing value in simple equations. It includes solving equations where the denominator changes and the answer choices are provided as multiple choice options. This is part of a broader unit on the introduction of adding and subtracting fractions. The topic provides 7 problem sets for the learners to solve.

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

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Add. 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

13  +  ___=49\frac{1}{3}\;+\; \_\_\_ = \frac{4}{9}

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

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Math worksheet on 'Fraction Addition - 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 1 over 3 \;+\; \ sub \ sub \ _ = 1 over 2
a A LaTex expression showing 0
b A LaTex expression showing 11 over 3
c A LaTex expression showing 1
d A LaTex expression showing 11 over 2
e A LaTex expression showing 1 over 6
f A LaTex expression showing 1 over 3
2
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 9 = 4 over 9
a A LaTex expression showing 13 over 10
b A LaTex expression showing 2 over 3
c A LaTex expression showing 5 over 9
d A LaTex expression showing 1 over 5
e A LaTex expression showing 5 over 81
f A LaTex expression showing 1 over 3
3
Find the fraction that makes this equation correct
A LaTex expression showing 1 over 5 \;+\; \ sub \ sub \ _ = 4 over 15
a A LaTex expression showing 1 over 2
b A LaTex expression showing 1 over 3
c A LaTex expression showing 1 over 15
d A LaTex expression showing 8 over 15
e A LaTex expression showing 2 over 5
f A LaTex expression showing 4 over 15
4
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 6 = 2 over 3
a A LaTex expression showing 1
b A LaTex expression showing 1 over 6
c A LaTex expression showing 1 over 9
d A LaTex expression showing 1 over 3
e A LaTex expression showing 11 over 3
f A LaTex expression showing 1 over 2
5
Find the fraction that makes this equation correct
A LaTex expression showing 1 over 7 \;+\; \ sub \ sub \ _ = 3 over 14
a A LaTex expression showing 2 over 3
b A LaTex expression showing 2 over 49
c A LaTex expression showing 2 over 7
d A LaTex expression showing 5 over 14
e A LaTex expression showing 0
f A LaTex expression showing 1 over 14
6
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 10 = 3 over 10
a A LaTex expression showing 2 over 5
b A LaTex expression showing 1 over 5
c A LaTex expression showing 1 over 10
d A LaTex expression showing 1 over 6
e A LaTex expression showing 5 over 9
f A LaTex expression showing 11 over 5
7
Find the fraction that makes this equation correct
A LaTex expression showing 1 over 2 \;+\; \ sub \ sub \ _ = 2 over 3
a A LaTex expression showing 0
b A LaTex expression showing 1 over 6
c A LaTex expression showing 21 over 2
d A LaTex expression showing 1
e A LaTex expression showing 1 over 3
f A LaTex expression showing 2 over 7