Answer:
first lizard was 1/12 inches longer than second lizard
Explanation:
A biologist measured one lizard that was 7/3 inches long and a second lizard that was 9/4 inches long.
To find the difference in length , we subtract the fractions

To subtract fractions, we need to make the denominators same
LCD is 12, multiply the first fraction by 4 and second fraction by 3


Now subtract the fractions

first lizard was 1/12 inches longer than second lizard