Adding Mixed Numbers - YourTeacher.com - Pre Algebra Help - Free Educational videos for Students in k-12


Adding Mixed Numbers - YourTeacher.com - Pre Algebra Help - By yourteachermathhelp



DESCRIPTION:

For a complete lesson on adding mixed numbers go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson students learn to add mixed numbers by first adding the fractions then adding the whole numbers. For example to add 4 2/5 + 7 4/5 first add 2/5 + 4/5 to get 6/5 then add 4 + 7 to get 11. So 4 2/5 + 7 4/5 = 11 6/5. Notice however that the answer 11 6/5 contains an improper fraction 6/5 which is the same as 1 1/5 so 11 6/5 can be rewritten as 11 + 1 1/5 which simplifies to 12 1/5. So 4 2/5 + 7 4/5 = 12 1/5. Note that some of the problems in this lesson also require the student to find a common denominator for the fractions. For example 5 1/4 + 6 3/8.

OVERVIEW:

Adding Mixed Numbers - YourTeacher.com - Pre Algebra Help is a free educational video by yourteachermathhelp.It helps students in grades 5 practice the following standards 5.nf.a.1.

This page not only allows students and teachers view Adding Mixed Numbers - YourTeacher.com - Pre Algebra Help but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.

1. 5.nf.a.1 : Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, a/b + c/d = (ad + bc)/bd.) .


GRADES:

5


STANDARDS:

5.nf.a.1

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