Add/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 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.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions involves 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 an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator may be different (e.g., 1/2 is equivalent to 2/4).

Front

How do you find the least common denominator (LCD) of two fractions?

Back

The least common denominator (LCD) is the smallest number that is a multiple of both denominators. To find it, list the multiples of each denominator and identify the smallest common multiple.

Front

What is the process to add fractions with different denominators?

Back

1. Find the least common denominator (LCD). 2. Convert each fraction to an equivalent fraction with the LCD. 3. Add the numerators and keep the LCD as the denominator.

Front

What is the process to subtract fractions with different denominators?

Back

1. Find the least common denominator (LCD). 2. Convert each fraction to an equivalent fraction with the LCD. 3. Subtract the numerators and keep the LCD as the denominator.

Front

How do you convert a fraction to an equivalent fraction?

Back

To convert a fraction to an equivalent fraction, multiply or divide both the numerator and the denominator by the same non-zero number.

Front

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

Back

1/4 + 1/4 = 2/4 = 1/2.

Front

What is the difference between 3/4 and 1/4?

Back

3/4 - 1/4 = 2/4 = 1/2.