4th Grade Math
Fraction Equivalents
Unit 3
Practice Problems!
Try a few and refresh your memory before the chapter challenge!
What is 14/20 in its simplest form?
7/10 is the simplest form of 14/20. Remember, the simplest form is found when you can’t divide the numbers to any smaller whole number.
What is ⅕ of 30?
⅕ of 30 is 6. To convert this fraction so it has a denominator of 30, you have to multiply the denominator (5) so it equals 30. If you multiply 5 by 6, it becomes 30. Because you’re multiplying the denominator by 6, you also have to multiply the numerator by 6. Multiplying the numerator and the denominator gives you the fraction 6/30. This tells you that ⅕ of 30 is 6/30. So your answer is 6.
What sign makes this true? 6/7 _ 6/10
6/7 > 6/10. 6/7 and 6/10 have the same numerator, but 6/10 has a higher denominator. 6/10 divides the whole into 10 pieces and takes 6. 6/7 divides the whole into 7 pieces and takes 6. The 1/7 size pieces are bigger.
Observation Station
Let's observe some more examples!
What is the simplest form of this fraction?
1/5. You multiply the numerator and denominator by the highest common factor (the highest number that they can both be multiplied by) which is 11.
What are two examples of fractions that are equivalent to this one?
1/3 and 3/9 are examples of fractions that are equivalent to this one. They can all be simplified to be the same fraction (1/3).
What sign makes this equation true?
> makes this equation true. 3/3 > 3/6.
Chapter Challenge
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