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It is: 7 to 4
42
42/43
(7/24)/(35/48) = 7/24 x 48/35 =336/840 = 84/210 = 42/105
The LCM is: 168
42/98 = 3/7
3/4
28/42 = 2x14/3x14 = 2/3
28/42 = 4/6 = 2/3
140
4/7
6/42 = 1/7