To determine how many 1/2 cups it takes to make 1 3/4 cups, you can add the fractions:
1 3/4 cups = (1 + 3/4) cups
Now, express 1 as a fraction with the same denominator as 4:
1 = 4/4
Now add:
(4/4 + 3/4) cups = 7/4 cups
So, it takes 7 halves (1/2 cups) to make 1 3/4 cups.