We have to compare
42 inches
with
1 yard
Let's convert yards to inches, then we can see the comparison easily.
We know 1 yd = 3 feet
and 1 feet is 12 inches, thus,
3 * 12 = 36 inches
Hence,
1 yard = 36 inches
So, we have to compare 42 inches and 36 inches
Of couse, 42 inches is greater than 36 inches. By how much?
42 - 36 = 6 inches
Answer
42 inches is greater than one yard by 6 inches