Question

3 34:(2 47-1 112)

Answer 1

3 34:(2 47-1 112) =2,52
1. 2 4/7 - 1 1/12 = 2 48/84 - 1 7/84 = 1 41/84
2. 3 3/4 : 1 41/84 = 15/4 : 125/84 = 15/4 * 84/125 = 63/25=2,52

Answer 2

15/4:(18/7-13/12)=15/4:125/84=15/4*84/125=3*21/25=63/25=2 13/25