I do it by finding a common denominator.
For example, 2/3 - 1/5.
The least common denominator is 15. 2/3 = 10/15, and 1/5 = 3/15, the difference of which is 7/15.
Here is another example:
5/6 - 2/3. In this case, the least common denominator is 6.
2/3 = 4/6, and 5/6 - 4/6 = 1/6.
Chat with our AI personalities
it stay the same when you subtract fractions and when you add fractions.
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 .
Because to add fractions, the denominators must be equal.
you take away one of the whole number=then you add or subtract your fractions=
The same way you would add or subtract whole numbers, leaving the denominators alone.