Ribbons are 84 and 126 centimeters long. They must be cut into equal pieces of the greatest possible length with no remainder. How long is each piece?
Show hints
- Look for a common divisor of both lengths.
- Find the greatest common divisor of 84 and 126.
Show the answer and solution
Answer: 42
The greatest common divisor of 84 and 126 is 42, so each piece is 42 centimeters long.