12 to 14 18 to 21
7
12/14, 18/21
1/2 + 12/18 = 9/18 + 12/18 = 21/18 = 7/6
It is: 115/18 or 6 and 7/18
1 x 21, 3 x 7.
1/3 x 6/7 = 6/21 = 2/7 The reciprocal is 7/2 1/3 x 7/6 = 7/18 The reciprocal is 18/7
12 to 14 18 to 21
7
25
1 and (1/6) = 7/6 and 1/3 * 7/6 = 7/18 Hope this helps
12/14, 18/21
1/2 + 12/18 = 9/18 + 12/18 = 21/18 = 7/6
It is: 115/18 or 6 and 7/18
7 / 6 is equal to 1.17
5/6 / 7/18 = 5/6 * 18/7 = 15/7 =2 1/7
12/2, 18/3, 24/4, 30/5, 36/6, 42/7