Adding fractions with like denominators

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

What does it mean for fractions to have like denominators?

Back

Fractions have like denominators when they share the same denominator, allowing for straightforward addition or subtraction.

Front

How do you add fractions with like denominators?

Back

To add fractions with like denominators, keep the denominator the same and add the numerators.

Front

What is the sum of 2/7 and 3/7?

Back

5/7

Front

What is the sum of 4/9 and 2/9?

Back

6/9

Front

What is the sum of 2/12 and 3/12?

Back

5/12

Front

How do you simplify a fraction?

Back

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

Front

What is the sum of 9/12 and 3/12 in lowest terms?

Back

1 (or 12/12, which simplifies to 1).

Front

What is the greatest common divisor (GCD)?

Back

The GCD is the largest number that divides two or more numbers without leaving a remainder.

Front

What is the process of finding a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions being added or subtracted.