Question

3/5{7/10÷3/10}-3/2{1/6+1/4}

Answer 1

3/5 × { 7/10 ÷ 3/10 } - 3/2 × { 1/6 + 1/4 }
3/5 × { 7/10 × 10/3 } - 3/2 × { 2/12 + 3/12 }
3/5 × 7/3 - 3/2 × 5/12
7/5 - 15/24
7/5 - 5/8
56/40 - 25/40 
31/40