Question

Is 40/48 proportional to 56/42

Answer 1

no

Explanation:

Cross multiply:

40 * 42 = 48 * 56

Simplifying

40 * 42 = 48 * 56

Multiply 40 * 42

1680 = 48 * 56

Multiply 48 * 56

1680 = 2688

Solving

1680 = 2688

Answer 2

To find if something is proportional you want to reduce them to there simplest form, so we want to reduce each fraction down

40/48= 5/6

56/42= 8/7

Therefore; these two fractions are not proportional because they reduce to different numbers

Hope this helps ;)