At 2 minutes and 45 seconds it is said that 9/7 is equal to 7/7 plus 3 more on the side. The correct way to phrase that is 9/7 is equal to 7/7 plus 2 more sevenths on the side, not 3.
Racing cars - Adding fractions with like denominators
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Questions answered by this video:
How do you add fractions with like denominators?
How do you reduce fractions?
Currently 4.0/5 Stars.
This video covers addition of fractions with like denominators (Race cars plus Race cars) and how to reduce fractions after addition. All of the work done is shown on paper, so any mistakes can easily be traced back and corrected.