Sir John A Macdonald's Math Notebook
Contact Information
Email: drbell@uwo.ca
Multiplication of Fractions
Reduce the fractions to simple fractions. Then multiply the numerators together and multiply the denominators together. If the two numbers are mixed factions (a whole number and a fraction) then multiply the whole numbers together, multiply the fractions together, multiply each whole number by the fraction associated with the other whole number and add the four terms together.
Examples:
(1) Multiply by
of
of 7.
This can be expressed as .
(2) Multiply by
.
The four terms are:
(a)
(b)
(c)
(d)
Total: