Equivalent Fractions and LCM Practice

This video tutorial by Mr. J covers the process of adding fractions with unlike denominators. It explains the steps involved, including finding a common denominator, renaming fractions, adding numerators, and simplifying the result. The video provides four examples to illustrate the process and emphasizes the importance of practice. It concludes with a summary of the steps and encourages viewers to try a mastery check on their own.

Why is it important to practice adding fractions with unlike denominators?

• Because it helps in understanding subtraction.

• Because it helps in mastering the steps involved.

• Because it helps in understanding division.

• Because it helps in understanding multiplication.

What is the first step when adding fractions with unlike denominators?

• Find a common denominator.

• Add the numerators.

• Subtract the denominators.

• Multiply the fractions.

What is the least common multiple of 2 and 6?

• 12

• 18

• 6

• 2

What is the equivalent fraction of 1/2 with a denominator of 6?

• 3/6

• 1/6

• 2/6

• 4/6

What is the least common multiple of 8 and 12?

• 24

• 16

• 12

• 8

What is the equivalent fraction of 3/8 with a denominator of 24?

• 12/24

• 15/24

• 9/24

• 6/24

What is the least common multiple of 6 and 9?

• 18

• 12

• 21

• 15

What is the equivalent fraction of 1/6 with a denominator of 18?

• 5/18

• 4/18

• 3/18

• 2/18

What is the least common multiple of 7 and 3?

• 24

• 18

• 14

• 21

What is the equivalent fraction of 2/7 with a denominator of 21?

• 6/21

• 5/21

• 7/21

• 4/21