What is 3/4 minus 3/10

To subtract two fractions, you need to have a common denominator.

The lowest common denominator of 4 and 10 is 20.

Now, we need to convert both fractions to have a denominator of 20:

3/4 = (3/4) * (5/5) = 15/20

3/10 = (3/10) * (2/2) = 6/20

So, 3/4 minus 3/10 is equal to:

15/20 - 6/20 = (15 - 6)/20 = 9/20