How to subtract mixed numbers?
We will look at two methods that can be used to subtract mixed numbers.
Method 1: Convert to Improper Fractions
We can convert the mixed numbers to improper fractions and then subtract them as fractions.
This method is often preferred because it avoids the “borrowing” step which can confuse some people.
The following example shows how to subtract mixed numbers by first converting them to improper fractions. Scroll down the page for more examples and solutions.
Fraction Worksheets
Practice your skills with the following worksheets:
Printable & Online Fraction Worksheets
Steps:
The following video gives another example of subtracting mixed numbers by converting to improper fractions.
Method 2: Subtracting Whole Numbers and Fractions Separately (with Regrouping/Borrowing)
We can subtract the whole number part and the fractional part of the mixed numbers separately. This may require a regrouping or borrowing step.
The following example shows how to subtract mixed numbers by subtracting the whole number part and the fractional part separately. Scroll down the page for more examples and solutions.
Steps:
The following video gives another example of subtracting mixed numbers using method 2.
Subtracting mixed numbers with borrowing
If the fractional part of the second mixed number is bigger than the fractional part of the fixed number then it would be necessary to “borrow” from the whole part before subtracting.
The following example shows how to subtract mixed numbers with borrowing. Scroll down the page for more examples and solutions.
The following video shows how to subtract mixed numbers with borrowing.
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