Question

сколько будет 12 2/15-9 19/15=

Answer 1

12 * 15 + 2 = 182/15
9 * 15 + 19 = 154/15
182/15 - 154/15 = 28/15 = 1.866....

Answer 2

12 2/15 - 9 19/15= 182/15 - 154/15= 28/15= 1 13/15