# Differences of Fractions with Different Denominators

## Subtracting equivalent fractions with LCD

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Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Subtracting Fractions Introduction - Positive Only

by CK-12 //basic
Explains how to subtract fractions with like and unlike denominators. It explains why we must have a common denominator when subtracting fractions.
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• Video

## Subtract Fractions with Unlike Denominators

by CK-12 //basic
Provides two examples of subtracting fractions with unlike denominators.
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