Question

привести к общиму знаминателю
3/7 и 4/9
13/16 и 11/12
3/14 4/21 и 5/6
срочна!

Answer 1

3/7 и 4/9 = 27/63 и 28/63
13/16 и 11/12 = 39/48 и 44/48
3/14, 4/21 и 5/6 = 9/42, 8/42 и 35/42