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4 42 in simplest form is 2 21. You have to divide 42 by 2. Whatever you divided the denominator with you have to divide it the same with the numerator. There is your answer. I hope it helps.
It is: 42/56 = 3/4
21/4
4/7
25/42 is in its simplest form.
42/121 is in its simplest form.
42 to 56 in its simplest form is 3 to 4.
Any integer is in its simplest form. 4/2 = 2
4/21
3 to 4
7/4
2/21