1/3 is the same as 3/9. To solve this, subtract 3/9 from 7/9.

Your answer is
Solution:
Given that, 6 identical toys weigh 1.8 kg
we know that, 1kilogram = 1000 grams
6 identical toys weigh in grams
6 identical toys weigh 1800 grams
then calculating the weight of 1 toy by unitary method ,
weight of 1 toy =
grams.
Hence, 1 toy would weigh 300 grams.
The answer is 25cm pppppppploollllppppppllllppppllllllllllppplplpplplppllllplplplllpl