William has two 10-sided spinners.

The spinners are equally likely to land on each of their sides.

SpinnerAhas 5 red sides, 3 blue sides and 2 green sides.

SpinnerBhas 2 red sides, 7 blue sides and 1 green side.

William spins spinnerAonce.

William spins spinnerBonce.

Work out the probability that spinnerAand spinnerBdonotland on the same colour.