Question

4 4 per 5 : 1,2 × 9/11

Answer 1

4 4/5 : 1,2 x 9/11
= 24/5 : 12/10 x 9/11
= 24/5 x 10/12 x 9/11
= 4 x 9/11
= 36/11
= 3 3/11