🔢 GCD & LCM Calculator
Calculate the Greatest Common Divisor and Least Common Multiple of two or more numbers instantly.
Enter two or more numbers
Real-life applications
🍕 GCD example: You have 12 apples and 18 oranges. What is the largest equal group you can make? GCD(12,18) = 6 groups of 2 apples and 3 oranges each.
🚦 LCM example: Traffic light A changes every 3 minutes, B every 4 minutes. When do they change together? LCM(3,4) = 12 minutes.
½ Fractions: To add 1/4 + 1/6, find LCM(4,6) = 12 → 3/12 + 2/12 = 5/12.