Adding and Subtracting Same Denominator 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 have 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 easily.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, keep the denominator the same and subtract the numerators. For example, 3/5 - 1/5 = (3-1)/5 = 2/5.

Front

What is the first step in adding fractions?

Back

Ensure the fractions have the same denominator. If they do not, find a common denominator.

Front

What is the first step in subtracting fractions?

Back

Ensure the fractions have the same denominator. If they do not, find a common denominator.

Front

What is 4/10 + 12/10?

Back

1 6/10.

Front

What is 3/5 + 6/5?

Back

1 4/5.

Front

What is 7/12 - 3/12?

Back

1/3.

Front

What is 6/7 - 1/7?

Back

5/7.