Add and Subtract Fractions with Unlike Denominators

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 3 1/2.

Front

How do you convert an improper fraction to a mixed number?

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator is the fraction.

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

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

Back

To find the least common denominator, list the multiples of each denominator and identify the smallest multiple that all denominators share.

Front

What is the process for adding fractions with unlike denominators?

Back

To add fractions with unlike denominators, first find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then add the numerators.

Front

What is the process for subtracting fractions with unlike denominators?

Back

To subtract fractions with unlike denominators, find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then subtract the numerators.

Front

What is the result of 4/7 + 2/3?

Back

The result of 4/7 + 2/3 is 1 5/21.

Front

How do you solve word problems involving fractions?

Back

To solve word problems involving fractions, identify the fractions involved, determine the operation needed (addition, subtraction), and follow the steps for adding or subtracting fractions.

Front

What is the result of 9/2 kg - (5/3 kg + 1/4 kg)?

Back

The result is 2 7/12 kg of plant food left.

Front

How do you convert 26/4 to a mixed number?

Back

To convert 26/4 to a mixed number, divide 26 by 4, which equals 6 with a remainder of 2, resulting in 6 2/4.