Question

simplify [3/11 x 5/6] - [9/12 x 4/3] + [5/13 x 6/5]

Answer 1

[3/11×5/6]-[9/12×4/3]+[5/13×6/5]

=[15/66]-[36/36]+[30/65]

=[5/22]-[1]+[6/13]

=5/22-1+6/13

=351-132/286

=219/286