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

Level 3

This math topic focuses on the addition of fractions with different denominators. The students are tasked with finding the missing value in the equation to make it correct. The equations mainly use simple fractions. This topic aims to enhance the student's skills in fraction addition and familiarize them with different denominator values in fractions. It provides practical exercises to help students understand and apply the concept accurately.

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

35  +  ___=45\frac{3}{5}\;+\; \_\_\_ = \frac{4}{5}

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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 3)'. Part of a broader unit on 'Fraction Addition and Subtraction - Practice' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_practice/
1
Find the fraction that makes this equation correct
A LaTex expression showing 5 over 7 \;+\; \ sub \ sub \ _ = 19 over 21
a A LaTex expression showing 33 over 7
b A LaTex expression showing 17 over 21
c A LaTex expression showing 16 over 25
d A LaTex expression showing 95 over 147
e A LaTex expression showing 4 over 21
f A LaTex expression showing 23 over 25
2
Find the fraction that makes this equation correct
A LaTex expression showing 2 over 7 \;+\; \ sub \ sub \ _ = 4 over 7
a A LaTex expression showing 11 over 2
b A LaTex expression showing 8 over 49
c A LaTex expression showing 2 over 5
d A LaTex expression showing 6 over 7
e A LaTex expression showing 3 over 7
f A LaTex expression showing 2 over 7
3
Find the fraction that makes this equation correct
A LaTex expression showing 2 over 7 \;+\; \ sub \ sub \ _ = 1
a A LaTex expression showing 1
b A LaTex expression showing 3
c A LaTex expression showing 5 over 7
d A LaTex expression showing 3 over 7
e A LaTex expression showing 2 over 3
f A LaTex expression showing 2
4
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;13 over 14 = 23 over 14
a A LaTex expression showing 110 over 27
b A LaTex expression showing 111 over 14
c A LaTex expression showing 15 over 7
d A LaTex expression showing 5 over 7
e A LaTex expression showing 16 over 7
f A LaTex expression showing 12 over 3
5
Find the fraction that makes this equation correct
A LaTex expression showing 3 over 5 \;+\; \ sub \ sub \ _ = 4 over 5
a A LaTex expression showing 7 over 25
b A LaTex expression showing 4 over 5
c A LaTex expression showing 11 over 8
d A LaTex expression showing 3 over 5
e A LaTex expression showing 12 over 5
f A LaTex expression showing 1 over 5
6
Find the fraction that makes this equation correct
A LaTex expression showing 5 over 7 \;+\; \ sub \ sub \ _ = 20 over 21
a A LaTex expression showing 5 over 21
b A LaTex expression showing 14 over 21
c A LaTex expression showing 11 over 26
d A LaTex expression showing 20 over 21
e A LaTex expression showing 11 over 22
f A LaTex expression showing 1
7
Find the fraction that makes this equation correct
A LaTex expression showing 3 over 7 \;+\; \ sub \ sub \ _ = 6 over 7
a A LaTex expression showing 7 over 10
b A LaTex expression showing 13 over 10
c A LaTex expression showing 10 over 11
d A LaTex expression showing 3 over 7
e A LaTex expression showing 18 over 49
f A LaTex expression showing 12 over 7