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Step-by-step lessons for Elementary Math
Learn how to subtract fractions that have different denominators by finding a common denominator.
Subtract the fractions:
Keywords: fractions, common denominator, subtraction, simplification
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View All Elementary Math Worksheets →The denominators are 3 and 4. The least common denominator (LCD) is 12.
Now, we subtract the numerators:
In this case, is already in simplest form.
Subtracting fractions with different denominators involves finding a common denominator, converting the fractions, performing the subtraction, and simplifying the result if needed.