Add/Subtract Fractions Calculator

Enter fractions with operations like 1/2 + 4/5 - 7/8.

This calculator adds or subtracts fractions by:

Finding the least common multiple (LCM) of the denominators.
Adjusting the fractions to have the common denominator.
Performing the addition or subtraction of the numerators.
Simplifying the resulting fraction by dividing by the greatest common divisor (GCD).
Converting to a mixed number if the resulting fraction is improper.
Providing a step-by-step explanation of the process.