(5/6)^2 - (6/10 - 3/4)

Question

Thank you

Answer 1

(5/6)^2 - (6/10 - 3/4)
= 25/36 - (12/20 - 15/20)
= 25/36 - (-3/20)
= 125/180 + 27/180
= 152/180
= 38/45