Subtracting Improper Fractions With Unlike Denominators. In the video the first problem is done with an improper fraction. Students will need to find the a common denominator for improper fractions, perform the subtraction operation, then reduce the result to simplest mixed fraction form.
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The quick trick is a great timesaver. This is called getting a common denominator. Connect making equivalent fractions to making new addition and subtraction fraction equations and solve them.
We need to find a common.
This is called getting a common denominator. Connect making equivalent fractions to making new addition and subtraction fraction equations and solve them. For fractions with unlike denominators, we must first find the lowest common denominator before trying to add or subtract them. Continue to build on your students' understanding of unlike denominators by asking students to justify their answers of subtracting improper fractions #1.
