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### Course: Class 5>Unit 4

Lesson 2: Recognise fractions

# Recognize fractions

Sal uses fractions to name parts of a whole. Created by Sal Khan.

## Want to join the conversation?

• if you have fractions when in life would you need to use equivalent fractions ?
• If you wanted to divide something into equal parts...say you have six guests over and you are cutting it out and mom asks how much is left and there is 1/6 left.....without fractions you would be in a dilemma....does that help?
• If I had 7 pet fishes 3 of them are red and 4 are gold how would I write this in fraction form and include all the given information (7 pets,3 red and 4 gold)
• One way to put this information in fraction form is 3/7 and 4/7 since 7 is the denominator which is the total number and the three and four are parts of 7.
• if you cut a pie and split it into 10 equal group then your brother comes and eat 5 slices will it be 10/5
• can any number be a fractions?
• Yes. For example, `0.78` can be expressed as `78/100 = 39/50`. `23` can be expressed as `23/1` or as `46/2` if not simplified.
• If the fraction is like 1/9 is it unit or proper fraction?
• 1/9 is a proper fraction.
A proper fraction is any fraction where the numerator is less than the denominator. (like 1/9).
An improper fraction is any fraction where the numerator is greater than the denominator. (like 10/9).
A unit only refers to a fraction where the numerator and denominator are equal. (like 9/9).
• Why didn’t they solve the last problem
• He did h was explaining that it wasn't even
• if equivilent fractions are multiplying,what is dividing fractions called?
• Sal says a ninth tounge twister