Adding & Subtracting fractions as Integers

Front

What is the rule for adding and subtracting fractions with different signs?

Back

When adding or subtracting fractions with different signs, you must determine the absolute values of the fractions, subtract the smaller from the larger, and keep the sign of the larger absolute value.

Front

How do you find a common denominator for two fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions.

Front

What is the process for subtracting fractions?

Back

To subtract fractions, first find a common denominator, convert the fractions to equivalent fractions with that denominator, then subtract the numerators and simplify if necessary.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, achieved by multiplying or dividing both the numerator and denominator by the same non-zero number.

Front

What is the result of -3½ - 4½?

Back

The result is -8.

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that sum over the original denominator.

Front

What is the result of 1/4 - 3/10?

Back

The result is -1/20.

Front

How do you handle fractions with different denominators when subtracting?

Back

You must first find a common denominator, convert the fractions, and then subtract the numerators.

Front

What is the result of (-⅚) - (⅗)?

Back

The result is -1 13/30.

Front

What is the importance of keeping track of signs when adding or subtracting fractions?

Back

Keeping track of signs is crucial because it affects the final result; incorrect sign handling can lead to wrong answers.