How To Multiply Fractions
1.) Simplify It
[tex] \frac{14}{36} \times \frac{24}{78} [/tex]
[tex] \frac{14}{36} = \frac{7}{18} [/tex]
[tex] \frac{24}{78} = \frac{4}{13} [/tex]
2.) Cross Cancel/Cross Multiply
[tex] \frac{7}{18 } \times \frac{4}{13} [/tex]
Look diagonally. You can simplify both 4 and 18 into 2 and 9.
[tex] \frac{7}{9} \times \frac{2}{9} [/tex]
3.) Multiply the Numerators (the numbers on top) and Denominators (the numbers on bottom)
[tex] \frac{7 \times 2}{9 \times 9} [/tex]
[tex] \frac{14}{81} [/tex]
4.) Simplify
This fraction is already in its simplest form.
The answer would be
[tex] \frac{14}{81} [/tex]
How To Divide Fractions
1.) Skip the first number
Change the division sign into a multiplication sign. Inverse (flip) the second fraction.
[tex]\frac{14}{36} \div \frac{24}{78} = \frac{14}{36} \times \frac{24}{78} = \frac{14}{36} \times \frac{78}{24} [/tex]
2.) Follow Steps 1 to 4 of "How to Multiply Fractions".
[tex] \frac{14}{36} \times \frac{78}{24} = \frac{7}{18} \times \frac{13}{4} = \frac{7 \times 13}{18 \times 4} = \frac{91}{72} = 1 \frac{19}{72} [/tex]
Hope this helps. :)
