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 the term 'least common denominator' (LCD) mean?

Back

The least common denominator is the smallest number that can be used as a denominator for two or more fractions.

Front

How do you find the least common denominator for 1/3 and 3/4?

Back

The least common denominator for 1/3 and 3/4 is 12.

Front

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

Back

The least common denominator for 6/7 and 1/2 is 14.

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find the least common denominator, convert the fractions, and then subtract the numerators.

Front

If Lyla used 7/10 of a scoop of brown sugar and 1/2 of a scoop of white sugar, how much more brown sugar did she use?

Back

Lyla used 1/5 more brown sugar.

Front

How do you add fractions?

Back

To add fractions, find a common denominator, convert the fractions, and then add the numerators.

Front

Marty used 2/3 cup of sugar for one recipe and 1/4 cup for another. How much sugar did he use in total?

Back

Marty used 11/12 cup of sugar in total.

Front

What does it mean to simplify a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

What is the simplified form of 15/20?

Back

The simplified form of 15/20 is 3/4.