Fraction Addition - Missing Value (Mixed) - Two Changed Denominators

Level 1

This math topic is centered on advanced fraction addition and subtraction with mixed numbers, specifically focusing on problems where students must find the missing value in equations involving fractions with changed denominators. These problems help develop skills in solving for unknown fractions in addition equations and require a good understanding of equivalent fractions, simplification, and common denominators. Each question presents multiple choices for the correct fraction to complete the equation correctly.

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

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Add. 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

215  +  ___=27102\frac{1}{5}\;+\; \_\_\_ = 2\frac{7}{10}

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

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Math worksheet on 'Fraction Addition - 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 11 over 5 \;+\; \ sub \ sub \ _ = 18 over 15
a A LaTex expression showing 114 over 15
b A LaTex expression showing 13 over 5
c A LaTex expression showing 11 over 6
d A LaTex expression showing 121 over 25
e A LaTex expression showing 11 over 3
f A LaTex expression showing 1 over 3
2
Find the fraction that makes this equation correct
A LaTex expression showing 21 over 2 \;+\; \ sub \ sub \ _ = 25 over 6
a A LaTex expression showing 32 over 3
b A LaTex expression showing 1 over 3
c A LaTex expression showing 31 over 3
d A LaTex expression showing 31 over 6
e A LaTex expression showing 21 over 3
f A LaTex expression showing 21 over 2
3
Find the fraction that makes this equation correct
A LaTex expression showing 31 over 3 \;+\; \ sub \ sub \ _ = 310 over 21
a A LaTex expression showing 1137 over 63
b A LaTex expression showing 214 over 31
c A LaTex expression showing 35 over 21
d A LaTex expression showing 312 over 19
e A LaTex expression showing 1 over 7
f A LaTex expression showing 320 over 21
4
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 7 = 312 over 35
a A LaTex expression showing 34 over 9
b A LaTex expression showing 31 over 5
c A LaTex expression showing 166 over 7
d A LaTex expression showing 313 over 35
e A LaTex expression showing 316 over 35
f A LaTex expression showing 32 over 7
5
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 7 = 29 over 14
a A LaTex expression showing 25 over 7
b A LaTex expression showing 41 over 9
c A LaTex expression showing 53 over 7
d A LaTex expression showing 31 over 3
e A LaTex expression showing 213 over 14
f A LaTex expression showing 21 over 2
6
Find the fraction that makes this equation correct
A LaTex expression showing 11 over 7 \;+\; \ sub \ sub \ _ = 110 over 21
a A LaTex expression showing 1 over 3
b A LaTex expression showing 19 over 29
c A LaTex expression showing 15 over 21
d A LaTex expression showing 113 over 21
e A LaTex expression showing 16 over 7
f A LaTex expression showing 21 over 17
7
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 2 = 113 over 22
a A LaTex expression showing 11 over 11
b A LaTex expression showing 16 over 25
c A LaTex expression showing 15 over 11
d A LaTex expression showing 14 over 5
e A LaTex expression showing 114 over 23
f A LaTex expression showing 11 over 4