1 3/4 is a mixed fraction and can be converted to an improper fraction to make solving this easier.

1 3/4 = 1 + (3/4) = (4/4) + (3/4)

Would you agree that 1 is equal to 4/4? Any number divided by itself (except 0) is going to be 1.

(4/4) + (3/4) = (4+3)/4 = 7/4

Now we need to multiply this improper fraction by 2. 7 * 2 = 14, so the answer will be

14/4, which can be simplified to 7/2