Common denominators.
When adding or subtracting fractions their denominators must be the same
Yes, you must.
A Common Denominator
you must make the fractions equivalent and with the same denomenator
Common denominator
Yes inasmuch that the denominators of the fractions must be common to each other.
Yes but they all must have the same common denominator
Because when adding or subtracting fractions the denominators must have the same values
When subtracting or adding fractions the denominators must be the same if they are not then the LCM must be found.
The denominators must be the same, the numerators can be different.
Find the lowest common denominator
adding fractions is like adding a WHOLE lot of parts of numbers