Question

How do you know that 1 4/5 is equal to 9/5?

Answer 1

You multiply the whole number by the denominator, and add the numerator.

Explanation:

1 4/5

1 x 4 = 4

4 + 5 = 9, over 5

We still keep the denominator the same

Answer. 1 4/5 = 9/5