Adding and subtracting fractions

Front

What is the sum of 3/7 and 2/21?

Back

11/21

Front

How do you subtract 1/2 from 4/6?

Back

1/6

Front

Can you add fractions with unlike denominators directly?

Back

No, you cannot add unlike denominators without finding a common denominator.

Front

What is the result of adding 3/9 and 1/3?

Back

2/3

Front

What is the first step in adding fractions with different denominators?

Back

Find a common denominator.

Front

What is a common denominator for the fractions 1/4 and 1/6?

Back

12 is a common denominator.

Front

How do you convert 1/3 to a fraction with a denominator of 9?

Back

1/3 = 3/9.

Front

What is the process for subtracting fractions?

Back

Find a common denominator, convert the fractions, and then subtract the numerators.

Front

What is the least common multiple (LCM) of 4 and 6?

Back

The LCM of 4 and 6 is 12.

Front

If you have 2/5 and want to add 1/10, what do you need to do first?

Back

Find a common denominator, which is 10.