5/6 * 9/15 - 5/12 * 4/15 = 7/18 * 9/14 +1/3 * 6/7 = 9/20 * 2/3 + 5/14 * 7/25 = 3 3/4 *...

Question

5/6 * 9/15 - 5/12 * 4/15 =
7/18 * 9/14 +1/3 * 6/7 =
9/20 * 2/3 + 5/14 * 7/25 =
3 3/4 * 2/5 - 3 6/25 * 5/27=
2 2/5 * 5/6 - 3/4 * 1 2/3 =
1 17/28 * 14/9 + 14/25 * 5/7 =
Дроби решите пожалуйста :

Answer 1

5/6 * 9/15 - 5/12 * 4/15= 3/6 - 1/3 = 9/18 - 6/18 = 3/18