Subtracting with like denominators is the similar to adding with like denominators.
Subtract the numerators only and keep the denominators the same.
Numerators- top number of a fraction
Denominators- bottom number of a fraction
2/4 - 1/4 = 1/4 Correct
2/4 - 1/4 = 1/0 Incorrect The answer is not even possible.
Try this, 3/4 - 1/4 =