Answer :
Multiply the numerators and the denominators
1 x 3 = 3
3 x 4 = 12
3/12
Both can be divided by 3
3/3 = 1
12/3 = 4
1/4
1 x 3 = 3
3 x 4 = 12
3/12
Both can be divided by 3
3/3 = 1
12/3 = 4
1/4