Adding and Subtracting Fractions

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Adding and Subtracting Fractions by Mind Map: Adding and Subtracting Fractions

1. Adding fractions with unlike denominators

1.1. Find a common denominator for both fractions

1.2. multiply both numbers on the first fraction by the bottom number of the second fraction.

1.3. Add the numerators together and put your new denominator under that number.

1.4. Simplify the fraction.

2. Adding like denominators

2.1. add the top numbers (numerator), put that number over the denominator.

2.2. simplify the fraction.

3. Adding and subtracting mixed fractions

3.1. Find the least common denominator.

3.2. find equivalent fractions.

3.3. Add or subtract the fractions and add or subtract the whole number.

3.4. Reduce your answer

4. Subtracting fraction with like denominators

4.1. Find equivalent fractions with the same denominator.

4.2. Find the least common multiple.

4.3. subtract the numerators

4.4. simplify your answer.