Adding and subtracting unlike 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 and 'b' is the denominator.

Front

What does it mean to add unlike fractions?

Back

Adding unlike fractions means combining fractions that have different denominators.

Front

How do you find a common denominator for 1/10 and 68/100?

Back

The common denominator for 1/10 and 68/100 is 100.

Front

What is the first step in adding 1/10 + 68/100?

Back

Convert 1/10 to a fraction with a denominator of 100, which is 10/100.

Front

What is 10/100 + 68/100?

Back

10/100 + 68/100 = 78/100.

Front

What is the sum of 7/10 and 3/100?

Back

To add 7/10 and 3/100, convert 7/10 to 70/100, then add: 70/100 + 3/100 = 73/100.

Front

How do you convert 9/10 to a fraction with a denominator of 100?

Back

9/10 can be converted to 90/100.

Front

What is 90/100 + 9/100?

Back

90/100 + 9/100 = 99/100.

Front

What is the decimal equivalent of 4/10?

Back

4/10 is equal to 0.4.

Front

How do you add 4/10 and 16/100?

Back

Convert 4/10 to 40/100, then add: 40/100 + 16/100 = 56/100, which is 0.56.