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 common 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

What does it mean to simplify a fraction?

Back

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

Front

Simplify the fraction 15/20.

Back

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

Front

How do you simplify the fraction 18/32?

Back

The simplified form of 18/32 is 9/16.

Front

What is the process to add fractions with different denominators?

Back

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

Front

What is the process to subtract fractions with different denominators?

Back

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

Front

If Bonnie used 5/6 of a shaker of salt and 5/12 of a shaker of pepper, how do you find how much more salt she used?

Back

To find how much more salt Bonnie used, subtract 5/12 from 5/6. The answer is 5/12.