Subtracting Mixed Numbers – Definition with Examples

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Subtracting Mixed Numbers

Fractions which are more than a whole are known as mixed fractions or mixed numbers.

For instance: Nicholas has 3 chocolates, and each chocolate has 3 bars. He eats 7 bars of chocolate, which means 2 whole chocolates and 1 bar of the third chocolate.

subtracting mixed numbers


Real-life examples of Subtracting mixed numbers:

real life examples of Subtracting mixed numbers:


How to Subtracting mixed numbers?

The operation of subtracting mixed numbers is same as adding mixed numbers.


Case 1: Subtracting mixed numbers with same denominators

Follow the given steps to subtract mixed numbers with same denominators:

Step 1– Subtract the wholes.                 

Step 2– Convert the fractions into improper fractions.

Step 3– Subtract the fraction.

Step 4– Change the improper fraction into a mixed number if needed.

Step 5– Write the mixed number with wholes and the fraction.

Example 1: 5 73 – 3 23

Step 1 – Subtract 3 from 5.

              5 – 3 =2

Step 2 – Subtract the fractions:

             73 – 23

Step 3 – Write the fraction with whole.

              5 73 – 3 2= 2 53 


Case 2: Subtracting mixed numbers with different denominators

Follow the given steps to subtract mixed numbers with different denominators:

Step 1– Convert the mixed numbers into improper fractions.

Step 2– Find the common multiple of both the denominators.

Step 3– Convert the fractions as common denominators.

Step 4– Solve the fractions.

Step 5– Convert the fraction as a mixed number.

Example 2: 6 12 – 1 34

Step 1– Convert the mixed numbers into improper fractions.

             1 32 – 74

Step 2– Find the common multiple of both the denominators 2 and 4.

The common multiple of 2 and 4 is 4. 

Step 3– Convert the fractions as common denominators.

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Step 4– Solve the fractions

               264 – 74 = 194

Step 5– Convert the fraction as a mixed number.

                194 = 4 34

  Fun Facts

  • We can multiply a fraction by any number, the value of the fraction always remains the same.

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