HomePricing
Sign InJoin

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.

View Unit

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

115  +  ___=17101\frac{1}{5}\;+\; \_\_\_ = 1\frac{7}{10}

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

Mobius Math Club logo
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 21 over 2 \;+\; \ sub \ sub \ _ = 29 over 14
a A LaTex expression showing 1 over 7
b A LaTex expression showing 2
c A LaTex expression showing 25 over 7
d A LaTex expression showing 213 over 14
e A LaTex expression showing 11 over 2
f A LaTex expression showing 617 over 28
2
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 3 = 28 over 15
a A LaTex expression showing 29 over 16
b A LaTex expression showing 21 over 5
c A LaTex expression showing 23 over 5
d A LaTex expression showing 13 over 15
e A LaTex expression showing 13
f A LaTex expression showing 38 over 45
3
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 316 over 35
b A LaTex expression showing 313 over 35
c A LaTex expression showing 32 over 7
d A LaTex expression showing 31 over 5
e A LaTex expression showing 34 over 9
f A LaTex expression showing 166 over 7
4
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 16 over 7
d A LaTex expression showing 113 over 21
e A LaTex expression showing 15 over 21
f A LaTex expression showing 21 over 17
5
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 11 = 113 over 22
a A LaTex expression showing 12 over 13
b A LaTex expression showing 17 over 11
c A LaTex expression showing 111 over 24
d A LaTex expression showing 15 over 11
e A LaTex expression showing 11 over 2
f A LaTex expression showing 14 over 11
6
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 2 = 213 over 22
a A LaTex expression showing 21 over 11
b A LaTex expression showing 215 over 19
c A LaTex expression showing 215 over 22
d A LaTex expression showing 213 over 23
e A LaTex expression showing 17 over 22
f A LaTex expression showing 113 over 44
7
Find the fraction that makes this equation correct
A LaTex expression showing \ sub \ sub \ _ \;+\;1 over 7 = 39 over 14
a A LaTex expression showing 313 over 15
b A LaTex expression showing 313 over 14
c A LaTex expression showing 51 over 98
d A LaTex expression showing 26 over 49
e A LaTex expression showing 35 over 7
f A LaTex expression showing 31 over 2