How to Multiply and Divide Fractions in Algebra

This video shows how to multiply and divide fractions by multiplying the numerators and denominators - even if the fractions have unlike denominators. In algebra or basic math, cancelling out equal factors in the numerator and denominator results in faster fraction multiplication.

Comments (8)

Posted by chelsea JANUARY 29, 2009 | 08:55PM
that really helped

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Posted by linda MAY 18, 2009 | 10:15AM
hi i would like to know if anybody can help me to understand how to solve for the variable. ex: 3x+5.6=11.6

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Posted by louie MAY 21, 2009 | 02:40PM
3x+5.6=11.6 3x=11.6-5.6 11.6-5.6=6 3x=6 6/3x=3 x=3

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Posted by Lorrie200 JUNE 07, 2009 | 05:19PM
you did it wrong at the end. 3x=6 x=2 check it by substitution 3(2)+5.6=11.6 6+5.6=11.6 11.6=11.6

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Posted by mildrene JULY 17, 2009 | 02:23AM
2x-3/5=3/10x+8 will some one show how to do

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Posted by thaguyoverthere JULY 24, 2009 | 03:38PM
2x-3/5=3/10x+8-> 17/10x=43/5; x=86/17

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Posted by ell-dee AUGUST 17, 2009 | 03:18PM
2x+5.6=11.6 2x=11.6-5.6 2x=6 x=6/2 x=3

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Posted by dave OCTOBER 16, 2009 | 04:08AM
18.9x^8 / 10.5x^3

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