Add and Subtract 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).

Front

What does it mean to add fractions?

Back

Adding fractions means 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.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between the parts represented by the fractions. If the denominators are the same, subtract the numerators. If they are different, find a common denominator first.

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.

Front

How do you find a common denominator for 1/3 and 1/4?

Back

The least common denominator (LCD) for 1/3 and 1/4 is 12. Convert 1/3 to 4/12 and 1/4 to 3/12.

Front

What is the result of 3/4 - 1/4?

Back

2/4 or 1/2.

Front

If 7/8 = 4/8 + 2/8 + ____, what is the missing fraction?

Back

1/8.

Front

How much more is 2/3 than 1/3?

Back

1/3.

Front

What is the total amount of sugar needed if a recipe requires 3/4 cup of brown sugar and 1/4 cup of regular sugar?

Back

4/4 or 1 cup.

Front

What is the sum of 1/3 + 1/3?

Back

2/3.