Because in real life, not all things occur in integer (whole number) multiples of some unit.
That depends what kind of calculation you want to do with the fractions.
because human history is the making of all man kind
Yes
Because to add or subtract two fractions you first have to find equivalent fractions for both which have the same denominator.
Finding the GCF will help you to simplify fractions.
Fractions whose denominator is 1.
Fractions are used in recipe... For eg:1/4tsp sugar
it is important to learn how to add and subtract fractions because we can use it when a time comes , when we have our own business and others .
There are many kinds of human values including physical values. One other very important kind of human value are moral values.
All fractions have that.
Proper, improper, vulgar and decimal
yes because they thought that fractions were kind of hard so they used decimals