Exploring Adding and Subtracting Rational Expressions

What is the term for the top number in a fraction?

• Mixed Number

• Rational Number

• Numerator

• Denominator

How can whole numbers be considered rational numbers?

• By adding them to a fraction

• By multiplying them by a fraction

• By writing them as fractions over 1

• By subtracting them from a fraction

Tags

CCSS.3.NF.A.3C

What is a mixed number?

• A fraction with a larger numerator

• A number with a whole part and a fractional part

• A fraction that cannot be simplified

• A fraction with a larger denominator

Tags

CCSS.3.NF.A.3C

What is an improper fraction?

• A fraction with a larger denominator than numerator

• A fraction with a whole number part

• A fraction with a larger numerator than denominator

• A fraction that cannot be simplified

How do you convert a mixed number to an improper fraction?

• Subtract the numerator from the denominator

• Multiply the whole number by the denominator and add the numerator

• Add the numerator to the denominator

• Divide the numerator by the denominator

Convert 2 1/4 to an improper fraction.

• 9/4

• 8/4

• 7/4

• 10/4

How do you convert an improper fraction to a mixed number?

• Add the numerator to the denominator

• Multiply the numerator by the denominator

• Subtract the numerator from the denominator

• Divide the numerator by the denominator

Convert 9/4 to a mixed number.

• 2 1/4

• 2 2/4

• 2 3/4

• 2 4/4

What is the greatest common factor (GCF)?

• The difference between the numerator and the denominator

• The smallest number that divides both the numerator and the denominator

• The sum of the numerator and the denominator

• The largest number that divides both the numerator and the denominator

Simplify the fraction 6/8.

• 3/4

• 2/4

• 4/6

• 1/4