Fraction subtraction
Fraction subtraction mainly depends on whether the denominators are the same. If they are, just subtract the numerators. If they're different, find a common denominator first, then subtract, and simplify the result if possible.
Fraction subtraction mainly depends on whether the denominators are the same. If they are, just subtract the numerators. If they're different, find a common denominator first, then subtract, and simplify the result if possible.
Everything is a system, and every system contains systerms.