Add/Subtract Unlike Fractions

Front

What is the process for adding or subtracting unlike fractions?

Back

To add or subtract unlike fractions, first find a common denominator. Convert each fraction to an equivalent fraction with the common denominator, then add or subtract the numerators while keeping the common denominator. Finally, simplify the result if possible.

Tags

CCSS.7.NS.A.1C

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 the result over the original denominator.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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 positive integer that divides two or more integers without leaving a remainder.

Front

What is the first step in solving an application-based problem involving fractions?

Back

The first step is to read the problem carefully to understand what is being asked and identify the fractions involved.

Tags

CCSS.7.RP.A.3

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first find a common denominator, convert each fraction, then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of subtracting a mixed number from a whole number?

Back

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

Tags

CCSS.7.NS.A.1C

Front

How do you handle fractions in word problems?

Back

In word problems, identify the fractions involved, determine the operation needed (addition, subtraction), and follow the steps for adding or subtracting fractions.

Tags

CCSS.5.MD.B.2

Front

What is the sum of 3/5 and 1/2?

Back

To find the sum, convert to a common denominator (10): 3/5 = 6/10 and 1/2 = 5/10. Then, add: 6/10 + 5/10 = 11/10 or 1 and 1/10.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2