Add & Subtract UNLIKE Fractions, Flashcard Review

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 unlike fractions?

Back

Adding unlike fractions means combining fractions that have different denominators. To do this, you must first find a common denominator.

Front

How do you find a common denominator for two fractions?

Back

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

Front

What is the least common multiple (LCM) of 5 and 6?

Back

The LCM of 5 and 6 is 30.

Front

How do you convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the necessary factor to make the denominators the same.

Front

What is the sum of 1/18 and 5/6?

Back

The sum is 8/9.

Front

What is the sum of 3/5 and 1/4?

Back

The sum is 17/20.

Front

If Tim did 1/12 of a load of laundry on Sunday and 1/4 on Saturday, what fraction did he do in total?

Back

Tim did 1/3 of a load of laundry in total.

Front

Max measured 3/4 cup of sugar and dropped 1/8 cup. How much sugar is left?

Back

Max has 5/8 cup of sugar left.

Front

What is the process to subtract fractions?

Back

To subtract fractions, ensure they have a common denominator, then subtract the numerators and keep the denominator the same.