10 / 1 is transformed into a / 1 + B / 1 + C / 1, where a, B and C are natural numbers, and their greatest common divisor is 1. What are a, B and C?

10 / 1 is transformed into a / 1 + B / 1 + C / 1, where a, B and C are natural numbers, and their greatest common divisor is 1. What are a, B and C?

1 .2 .7