7 2/5 - 2 3/4 =

I've shown you how to do at least a couple of these. Now it's your turn.

Please post your work and answer. I'll be glad to check it.

6 28/20 - 2 15/20= 4 13 /20?

Yes! That is correct!

To subtract mixed numbers like 7 2/5 - 2 3/4, you can follow these steps:

Step 1: Convert the mixed numbers to improper fractions.
In this case, the first mixed number, 7 2/5, can be converted to an improper fraction as follows:
7 2/5 = (5*7 + 2)/5 = 37/5

The second mixed number, 2 3/4, can be converted to an improper fraction as follows:
2 3/4 = (4*2 + 3)/4 = 11/4

Step 2: Find a common denominator for the fractions.
In this case, the common denominator for 5 and 4 is 20.

Step 3: Rewrite the improper fractions with the common denominator.
37/5 becomes 37/5 * 4/4 = 148/20
11/4 becomes 11/4 * 5/5 = 55/20

Step 4: Subtract the fractions.
148/20 - 55/20 = (148 - 55)/20 = 93/20

Step 5: Simplify the resulting fraction, if necessary.
In this case, 93/20 is in its simplest form.

Therefore, the answer to the subtraction problem 7 2/5 - 2 3/4 is 93/20.