Fractions-Add, Subtract, Compare, Unit Fractions

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer, such as 1/2, 1/3, or 1/4.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/5 + 2/5 = (1+2)/5 = 3/5.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/3.

Front

How do you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator is the fraction. For example, 26/3 = 8 2/3.

Front

What does it mean to compare fractions?

Back

Comparing fractions involves determining which fraction is greater, less than, or equal to another fraction.

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, keep the denominator the same and subtract the numerators. For example, 3/4 - 1/4 = (3-1)/4 = 2/4 = 1/2.

Front

What is the least common denominator (LCD)?

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 greatest common factor (GCF)?

Back

The greatest common factor is the largest number that divides two or more numbers without leaving a remainder. For example, the GCF of 8 and 12 is 4.

Front

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

Back

1/4 + 1/4 = 2/4 = 1/2.

Front

How do you compare 5/6 and 3/4?

Back

5/6 > 3/4 because 5/6 is larger than 3/4.