Adding Fractions with Different Denominators

The video tutorial explains how to add fractions with denominators of 10 and 100. It begins by reviewing the process of adding fractions with the same denominator, using examples like 4/10 + 3/10. The tutorial then addresses adding fractions with different denominators, such as 4/10 + 33/100, by converting the fraction with a denominator of 10 to an equivalent fraction with a denominator of 100. This is done by multiplying both the numerator and denominator by 10. The video concludes with a general method for adding fractions with denominators of 10 and 100, emphasizing the importance of converting to a common denominator before adding.

What is the first step in adding fractions with denominators 10 and 100?

• Multiply both fractions by 10.

• Subtract the numerators.

• Convert the fraction with denominator 10 to have denominator 100.

• Add the numerators directly.

When adding fractions with the same denominator, what do you do with the denominators?

• Subtract them.

• Add them together.

• Multiply them.

• Keep them the same.

How do you add 4/10 and 3/10?

• 12/10

• 4/10

• 1/10

• 7/10

What is the result of adding 4/100 and 33/100?

• 33/100

• 37/100

• 3700

• 4/100

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

• Because the numerators are different.

• Because they are not decimals.

• Because the denominators are different.

• Because they are not whole numbers.

What is the purpose of converting a fraction with denominator 10 to 100?

• To simplify the fraction.

• To make the fraction larger.

• To make the fraction smaller.

• To have a common denominator for addition.

How do you convert 4/10 to a fraction with denominator 100?

• Add 10 to both numerator and denominator.

• Multiply both numerator and denominator by 10.

• Subtract 10 from both numerator and denominator.

• Divide both numerator and denominator by 10.

What is the result of adding 40/100 and 33/100?

• 4033/100

• 33/100

• 7/100

• 73/100

What is the first step in adding 4/10 and 33/100?

• Add the numerators directly.

• Multiply both fractions by 10.

• Convert 4/10 to 40/100.

• Subtract the numerators.

What is the general method for adding fractions with denominators 10 and 100?

• Subtract the fractions.

• Multiply both fractions by 10.

• Add the fractions directly.

• Convert the fraction with denominator 10 to 100, then add.