Mastering Addition of Mixed Fractions with Unlike Denominators

This video tutorial explains how to add mixed fractions by separating them into whole numbers and fractional parts. It covers finding a common denominator using the least common multiple and demonstrates adding fractions with unlike denominators. The video concludes with combining the results to form a final mixed fraction.

What is a mixed fraction composed of?

• Two fractions

• A whole number and a fraction

• Two whole numbers

• A decimal and a fraction

How can you separate the mixed fraction 4 3/8?

• 4 / 3/8

• 4 * 3/8

• 4 - 3/8

• 4 + 3/8

What is the first step in adding mixed fractions?

• Dividing the fractions

• Subtracting the whole numbers

• Multiplying the fractions

• Combining the whole numbers

Why can't we add fractions with different denominators directly?

• Because they need to be multiplied first

• Because they need to be converted to decimals first

• Because they are not whole numbers

• Because they need a common denominator

What is the least common multiple (LCM) of 8 and 12?

• 16

• 48

• 24

• 32

How do you convert 3/8 to a fraction with a denominator of 24?

• Multiply both numerator and denominator by 2

• Divide both numerator and denominator by 3

• Multiply both numerator and denominator by 3

• Divide both numerator and denominator by 2

What is 3/8 converted to a fraction with a denominator of 24?

• 9/24

• 6/24

• 7/24

• 8/24

How do you convert 5/12 to a fraction with a denominator of 24?

• Multiply both numerator and denominator by 2

• Divide both numerator and denominator by 2

• Divide both numerator and denominator by 3

• Multiply both numerator and denominator by 3

What is 5/12 converted to a fraction with a denominator of 24?

• 8/24

• 11/24

• 10/24

• 9/24

What is the final mixed fraction when you add 4 3/8 and 10 5/12?

• 14 19/24

• 14 21/24

• 14 18/24

• 14 20/24