How to Subtract a Whole Number from a Fraction: Step-by-Step Examples
The Organic Chemistry TutorApril 23, 20251 min14,810 views
2 connectionsΒ·4 entities in this videoβConverting Whole Numbers to Fractions
- π― To subtract a whole number from a fraction, the first step is to write the whole number as a fraction.
- π‘ For example, the whole number 2 can be written as 2 over 1.
Finding Common Denominators
- π To subtract fractions, you must have common denominators.
- π οΈ To achieve this, multiply the whole number fraction by a fraction equivalent to one, using the denominator of the original fraction.
- π For instance, to subtract 2 (as 2/1) from 14/3, multiply 2/1 by 3/3 to get 6/3.
Subtracting Fractions
- β Once common denominators are established, subtract the numerators.
- π In the first example, 14/3 - 6/3 results in 8/3.
- π For the second example, 3/4 - 20/4, subtracting the numerators (3 - 20) yields -17/4.
Final Answers
- β The result of subtracting a whole number from a fraction is an improper fraction.
- π The final answers for the examples are 8/3 and -17/4.
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Whatβs Discussed
Subtracting FractionsWhole NumbersFractionsCommon DenominatorsImproper FractionsNumeratorAlgebra
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