Question

Приведите дроби 7/13 и 2/11
3/22 и 2/33
7/60 и 13/540 и 9/20

Answer 1

7/13 = 7/13 * 11/11 = 77/143  и  2/11 = 2/11 * 13/13 = 26/143,

3/22 = 3/22 * 3/3 = 9/66  и  2/33 = 2/33 * 2/2 = 4/66,

7/60 = 7/60 * 9/9 = 63/540  и  13/540  и  9/20 = 9/20 * 27/27 = 243/540