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6 Free How to Find the Missing Numerator or Denominator in Fractions Worksheets

These how to find the missing numerator or denominator in fractions worksheets will help to visualize and understand fractions. 6th grade students will learn basic fractions methods and can improve their basic math skills with our free printable how to find the missing numerator or denominator in fractions worksheets.


6 Exciting Showing How to Find the Missing Numerator or Denominator in Fractions Worksheets

Please download the following how to find the missing numerator or denominator in fractions worksheets and practice fractions on the pages.


How to Find the Missing Numerator or Denominator in Fractions

Fill in the Gaps

Worksheet #1

Find Missing Fraction 

Worksheet #2

Number Line

Worksheet #3

Fraction Models

Worksheet #4

Fraction Dominoes

Worksheet #5

Cut and Paste Game

Worksheet #6

How to Find Missing Numerator of a Fraction

The number at the top of a fraction, above the dividing line, is called the numerator. Look at the fractions’ denominators to identify any missing numerators. The numerator and denominator of a fraction are given.

When we get to the denominator without a numerator, find the multiplicand that this denominator is multiplied by. To determine the unknown numerator, multiply the known numerator by this amount.

How to Find Missing Numerator of a Fraction


How to Find Missing Denominator of a Fraction

The number at the bottom, below the fractional line, is called the denominator.

The numerator and denominator of a fraction are always given. To determine the unknown denominator, multiply or divide the known numerator by this quantity.

How to Find Missing Denominator of a Fraction


Finding Numerator and Denominator of Equivalent Fractions

In this first method, students will complete the missing equivalent fractions. 

This worksheet contains a lot of fractions and their equivalent fractions. The numerator or denominator of these equivalent fractions is missing.


Finding Numerator and Denominator after Adding or Subtracting Fractions

For this method, first, do fraction addition or subtraction.

After that, find the missing numerator or denominator by solving addition or subtraction.


Finding Missing Numerators or Denominators in Number Line

Before providing the worksheet, look at the problems. Here the fractions are given with number lines from 0 to 1. However some of the numerators or denominators are missing.

Finding Missing Numerators or Denominators in Number Line

Now download the free worksheet for more exercise.


Using Models to Find Missing Numerators or Denominators in Fractions

Provide a worksheet where various models and fractions are given. Color the particular parts of the models of equivalent fractions and write the missing numerator or denominator.


Finding Missing Numerators or Denominators with Domino

In this section of the worksheet, many fractions are given. The equivalent fractions are given.

Find the missing numerator or denominator and fill the gap in the domino. The first one has been done for your convenience.


Cut and Paste Activity for Finding Missing Numerators or Denominators 

Another simple game is finding the missing numerator or denominator. This time do a cut-and-paste activity. 

  • Some pairs of fractions and their equivalent fractions are given in the following worksheet.
  • But the pairs are not complete. Each of the pairs has one or more blank spaces.
  • You can see some numbers at the end of each page. Cut those numbers and paste them inside the correct gap to make the right pair of equivalent fractions.

Download Free PDF

Download the following combined PDF and enjoy your practice session.


So today, we’ve discussed how to find the missing numerator or denominator in fractions worksheets using the concepts of finding numerator and denominator by models, addition, subtraction, and some interactive cut and paste game. Download our free worksheets, and after Practicing these worksheets, students will surely improve their mathematical skills and have a better understanding of fraction.

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