someone help please

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Im so bad at fractions they are not my best math thing to work on