Adding & Subtracting Fractions

Front

What must you have to add and subtract fractions?

Back

Common denominators.

Front

A contractor was paving a driveway. He mixed 4/7 ton of sand and 1/3 ton of concrete. How much did the mixture weigh?

Back

19/21 ton.

Front

What is the least common denominator for 6/7 and 1/2?

Back

14.

Front

5/12 + 1/3

Back

3/4.

Front

7/8 - 5/6

Back

1/24.

Front

What is a fraction?

Back

A fraction represents a part of a whole, expressed as a numerator over a denominator.

Front

What is the numerator in a fraction?

Back

The numerator is the top number in a fraction, indicating how many parts are being considered.

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction, indicating the total number of equal parts.

Front

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the process to add fractions with different denominators?

Back

Convert to a common denominator, then add the numerators and keep the common denominator.