2 can go into both of those numbers. So, divide 2 by both of the numbers. 42 / 2 = 21 56 / 2 = 28 So, make that a fraction: 21/28 7 can now go into both of those numbers. So, divide by both of the numbers. 21 / 7 = 3 28 / 7 = 4 Now, make that a fraction: 3/4 42/56 in simplest form is 3/4 I hope this helps!
