Identify common denominator: Identify the common denominator.Both fractions have the same denominator, which is 4. This makes subtraction straightforward.Calculation: No changes needed to the denominators.
Subtract numerators: Subtract the numerators.Subtract the numerators of the fractions: 3−1=2.Calculation: 43−41=42.
Simplify result: Simplify the result.The fraction42 can be simplified by dividing the numerator and the denominator by their greatest common divisor, which is 2.Calculation: 42÷22=21.