Mathematics 6: Addition and Subtraction of Fractions

This video tutorial covers the basics of fractions, including definitions and examples of numerators and denominators. It explains how to find the greatest common factor (GCF) and least common multiple (LCM) to simplify fractions. The tutorial also demonstrates converting improper fractions to mixed numbers and provides methods for adding and subtracting both similar and dissimilar fractions. The video concludes with a summary of the key steps in fraction operations.

What does the numerator in a fraction represent?

• The whole

• The part

• The sum

• The denominator

What is the Greatest Common Factor (GCF) of 6 and 10?

• 5

• 3

• 1

• 2

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Which of the following is a unit fraction?

• 2/3

• 5/6

• 3/4

• 1/2

How do you convert 15/7 to a mixed number?

• Add 7 to 15, the sum is the whole number

• Subtract 7 from 15, the difference is the whole number

• Multiply 15 by 7, the product is the whole number

• Divide 15 by 7, the quotient is the whole number and the remainder is the numerator

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CCSS.4.NF.B.3C

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What is the result of adding 3/6 and 1/6?

• 4/6

• 5/6

• 2/3

• 1/2

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CCSS.4.NF.B.3C

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What is the simplified form of 8/15 - 3/15?

• 5/15

• 1/5

• 1/3

• 2/3

What is the Least Common Denominator (LCD) of 4 and 6?

• 16

• 12

• 8

• 24

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How do you add fractions with different denominators?

• Add the numerators directly

• Find the Least Common Denominator (LCD) first

• Subtract the denominators

• Multiply the numerators

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What is the result of adding 1/4 and 2/6 after finding the LCD?

• 1/2

• 7/12

• 5/12

• 3/10

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What is the simplified form of 5 and 3/4 minus 2 and 2/5?

• 2 and 1/5

• 3 and 7/20

• 2 and 3/5

• 3 and 1/4

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CCSS.5.NF.A.1

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