Adding / Subtracting Fractions 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 to reduce a fraction to its lowest terms?

Back

Reducing a fraction to its lowest terms means simplifying it so that the numerator and denominator have no common factors other than 1.

Front

How do you add fractions with like denominators?

Back

Front

How do you subtract fractions with like denominators?

Back

Front

Back

Front

Back

Front

What is the definition of 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 can you determine if a number is divisible by 3?

Back

A number is divisible by 3 if the sum of its digits is divisible by 3. For example, 81 is divisible by 3 because 8 + 1 = 9.

Front

What is the least common multiple (LCM) of 2 and 5?

Back

The least common multiple (LCM) of 2 and 5 is 10, as it is the smallest number that both 2 and 5 can divide evenly.

Front

What is the greatest common factor (GCF) of 12 and 16?

Back

The greatest common factor (GCF) of 12 and 16 is 4, as it is the largest number that divides both 12 and 16.