This article was reviewed by Grace Imson, MA. Grace Imson is a math teacher with over 40 years of teaching experience. Grace is currently a math instructor at the City College of San Francisco and was previously in the Math Department at Saint Louis University. She has taught math at the elementary, middle, high school, and college levels. She has an MA in Education, specializing in Administration and Supervision from Saint Louis University.
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Performing operations on different types of numbers can be a difficult task at times. Do you often forget the method? Don't worry, in this article, How.com.vn explains how you can add fractions to whole numbers using a fairly simple and quick method that saves you time and procrastination.
Steps
- 1Convert your whole number into a fraction. To do this, simply add a denominator of to your whole number.
- For example, . This will now become .
- 2Multiply your fractions to have the same denominator. Look at the original fraction in your problem, and use its denominator to multiply with your other fraction.
- For example, we have . The original fraction was , so we have a denominator of . Multiply the numerator and denominator of . Doing this, you will get .
Advertisement - 3Add both fractions. Now that you've got two fractions of the same denominator, add both fractions' numerators, leaving the denominator as it is.
- For example, we have . Adding these, we will get .
- 4Simplify your fraction. Convert your improper fraction to a mixed fraction. Doing this can get you either a mixed fraction, or a whole number. both would be correct depending on the numerator and denominator divisibility.
- For example, our final answer was . Dividing the numerator by the denominator, we will get and the remainder of . Your whole number stands alone, while your remainder will be put into the fraction replacing your old numerator. So the answer is now .
Community Q&A
- QuestionDo you have to turn it into a mixed number?Community AnswerNo, the answer is correct without turning it into a mixed number. It's just that mixed numbers are often more easily grasped than the equivalent improper fractions.
- Question25 1/2 + 18 1/5 as a mixed numberI_l1ke_gam3sCommunity AnswerFirst find common denominators. The least common denominator is 10. Multiply 1/2 by 5/5 to get 5/10. Then multiply 1/5 by 2/2 to get 2/10. 25 5/10 + 18 2/10 = 43 7/10. Your answer is 43 7/10.
- QuestionHow do you multiply a whole number by a fraction?I_l1ke_gam3sCommunity AnswerMultiply the whole number by the numerator and keep the denominator the same. Simplify and/or convert to a mixed number if desired. For example: 12 x 2/3 = 24/3 = 8.
Video
Tips
- If you have difficulty with your multiplication tables, using a calculator for the necessary parts can be okay as long as you have permission from your teacher.Thanks
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