Lowest Common Denominator - YourTeacher.com - Pre Algebra Help

For a complete lesson on lowest common denominator, 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 unlike fractions by first finding a common denominator. For example, to add 1/2 + 1/3, first find the common denominator of 2 and 3, or the Least Common Multiple of 2 and 3, which is 6. Then multiply the numerator and denominator of 1/2 by 3, to get the equivalent fraction 3/6, and multiply the numerator and denominator of 1/3 by 2, to get the equivalent fraction 2/6. Next, add the like fractions, 3/6 + 2/6, to get 5/6. So 1/2 + 1/3 = 5/6. Students also learn to subtract unlike fractions by following the same process that is used when adding unlike fractions.

Category:

Education

Tags:

• adding
• subtracting
• fraction
• fractions
• addition
• subtraction
• unlike
• denominator
• denominators
• least

[ConnorMcdonough]

my teacher sucks she doesn't explain anything and makes everything more complicated! THIS IS SO EASY WITH A NORMAL PERSON TEACHING!!!

[Andrelyn213]

Stop Joseph Kony!

[MultiJoan1988]

really helped

[IllygulFantasies7]

Holy SHIT! I get it now!!!

[21blackwind]

why do school teachers suck so bad this is simple when she explained it my teacher made it really hard.

[MrDarkaida]

wow just go to khan academy .org to learn anything you need to know about math or science or well just about anything ... this video is just a joke ><

[Amandaahhej]

i got here from jb ):

[Amandaahhej]

i, i don't get it D: i would if it was in swedish, haha i suck.

[AWeegeeADay]

what about highest common denominator

[mike123asd]

@chocolatelover11275 how is he a pedophile i'm pretty sure that lady is 18+

[Redflameman]

@chocolatelover11275

XD Agreed