Adding and Subtracting Fractions

Front

What is the process for adding fractions with different denominators?

Back

To add fractions with different denominators, first find a common denominator, convert each fraction to an equivalent fraction with that denominator, then add the numerators and keep the common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that sum over the original denominator.

Front

What is the least common multiple (LCM) and how is it used in adding fractions?

Back

The least common multiple (LCM) is the smallest multiple that two or more numbers share. It is used to find a common denominator when adding fractions.

Front

What is the first step in subtracting fractions?

Back

The first step in subtracting fractions is to ensure that the fractions have a common denominator.

Tags

CCSS.7.NS.A.1C

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the greatest common divisor (GCD)?

Back

The greatest common divisor (GCD) is the largest number that divides two or more numbers without leaving a remainder.

Front

What is the result of adding a whole number to a fraction?

Back

To add a whole number to a fraction, convert the whole number to a fraction with the same denominator as the fraction, then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you subtract a fraction from a mixed number?

Back

To subtract a fraction from a mixed number, convert the mixed number to an improper fraction, find a common denominator, and then subtract the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the importance of reducing fractions?

Back

Reducing fractions simplifies them to their lowest terms, making them easier to understand and work with.

Front

What is the result of 2 2/3 + 9 4/5?

Back

The result is 12 7/15.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2