Adding Fractions with Denominators 10 and 100

The video tutorial explains how to add fractions with the same and different denominators. It starts by demonstrating the addition of fractions with the same denominator, where only the numerators are added. Then, it covers adding fractions with different denominators by converting them to have a common denominator. Specifically, it shows how to convert fractions with a denominator of 10 to 100 by multiplying both the numerator and denominator by 10. Finally, it provides a general method for adding fractions with denominators 10 and 100.

What is the result of adding 4/10 and 3/10?

• 1/20

• 7/20

• 1/10

• 7/10

When adding fractions with different denominators, why can't we simply add the numerators?

• Because the fractions are mixed numbers

• Because the fractions are improper

• Because the numerators are too large

• Because the denominators are different

How can you convert a fraction with a denominator of 10 to a denominator of 100?

• Multiply both numerator and denominator by 10

• Add 10 to the numerator

• Divide the numerator by 10

• Subtract 10 from the denominator

What is the equivalent fraction of 4/10 with a denominator of 100?

• 44/100

• 10/100

• 4/100

• 40/100

What is the sum of 40/100 and 33/100?

• 70/100

• 73/100

• 63/100

• 77/100