When do you cross multiply fractions

    when multiplying fractions you should
    when multiplying fractions you should quizlet
    when multiplying fractions we should
    when multiplying fractions you need a common denominator
  • When multiplying fractions you should

    • How to multiply mixed fractions

  • Multiplying fractions with answers
  • Multiplying fractions examples
  • How to multiply fractions with different denominators
  • Multiplying fractions with same denominator

    • Multiplying fractions examples...

    Multiplying Fractions

    yVx_d30mjAE

    Multiply the tops, multiply the bottoms.

    There are 3 simple steps to multiply fractions

    1.

    Multiply the top numbers (the numerators).

    2. Multiply the bottom numbers (the denominators).

    3. Simplify the fraction if needed.

    Example:

    12 × 25

    Step 1.

    Dividing fractions

    Multiply the top numbers:

    12 × 25  =  1 × 2   =  2 

    Step 2.

    Multiply the bottom numbers:

    12 × 25  =  1 × 22 × 5  =  210


    Step 3.

    Simplify the fraction:

    210 = 15

    With Pizza

    Here you can see it with pizza ...

    Do you see that half of two-fifths is two-tenths?
    Do you also see that two-tenths is simpler as one-fifth?

     

    With Pen and Paper

    And here is how to do it with a pen and paper (press the play button):

     

    Another Example:

    13 × 916

    Step 1.

    Multiply the top numbers:

    13 × 916  =  1 × 9   =  9 

    Step 2.

    Multiply the bottom numbers:

      when multiplying fractions you must have a common denominator
      when multiplying fractions you need to have common denominators