Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to add fractions?

Back

Adding fractions involves combining the parts represented by the fractions. If the denominators are the same, add the numerators. If they are different, find a common denominator first.

Tags

CCSS.4.NF.B.3A

Front

What does it mean to subtract fractions?

Back

Subtracting fractions involves taking away the parts represented by the second fraction from the first. If the denominators are the same, subtract the numerators. If they are different, find a common denominator first.

Tags

CCSS.4.NF.B.3A

Front

What is a common denominator?

Back

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

Front

What is the Least Common Denominator (LCD)?

Back

The Least Common Denominator (LCD) is the smallest common multiple of the denominators of two or more fractions.

Front

How do you find the LCD of 1/3 and 1/2?

Back

The LCD of 1/3 and 1/2 is 6.

Front

What is the sum of 1/4 and 3/4?

Back

1/4 + 3/4 = 1 or 4/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the difference between 15/16 and 12/16?

Back

15/16 - 12/16 = 3/16.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you simplify the fraction 6/8?

Back

6/8 can be simplified to 3/4 by dividing both the numerator and denominator by 2.

Front

What is the sum of 1/8 and 5/8?

Back

1/8 + 5/8 = 6/8 or 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D