1. Replace the numerator and denominator with their prime factorizations.
2. Cancel out any common factors in the numerator and denominator.
3. Multiply any leftover factors in the numerator together and any leftover factors in the denominator together. This is your fraction in reduced form.
to figure out how many words he types in a minute you divide 350/7 to get 50 words in a minute. than you multiply (*) it by 20 minute to get the answer.
