Adding and Simplifying Fractions and Decimals

What types of rational numbers are covered in this lesson?

• Whole numbers and decimals

• Fractions and decimals

• Whole numbers and fractions

• Integers and decimals

What is the first step in adding fractions?

• Simplify the fractions

• Change mixed numbers to improper fractions

• Find a common denominator

• Add the numerators

When adding fractions with different denominators, what should you do first?

• Add the numerators directly

• Find the least common denominator

• Convert to decimals

• Simplify the fractions

In the example of adding fractions with different denominators, what is the least common denominator of 7/8 and 1/4?

• 14

• 8

• 7

• 4

How do you handle the negative sign when adding fractions with different denominators?

• Place the negative sign with the denominator

• Ignore the negative sign

• Place the negative sign with the numerator

• Place the negative sign with the whole fraction

What is the improper fraction form of 6 and 1/3?

• 19/3

• 18/3

• 19/4

• 18/4

What is the least common denominator of 19/3 and 3/4?

• 3

• 7

• 4

• 12

What is the mixed number form of 85/12?

• 7 and 2/12

• 7 and 1/12

• 6 and 2/12

• 6 and 1/12

When adding decimals, what is the first step?

• Convert to fractions

• Add the numbers directly

• Simplify the numbers

• Line up the decimal points

What should you do when adding decimals with different signs?

• Convert to fractions

• Subtract the numbers

• Ignore the signs

• Add the numbers directly