A biologist measured one lizard that was 7/3 inches long and a second lizard that was 9/4 inches long. How much longer was then first lizard?

1 answer

To find the difference in length between the two lizards, we need to subtract the length of the first lizard from the length of the second lizard:

9/4 inches - 7/3 inches.

To subtract fraction, we need to have a common denominator. In this case, the common denominator is 12.

Converting both fractions to have a denominator of 12:

(9/4) * (3/3) = 27/12
(7/3) * (4/4) = 28/12

Now we can subtract the lengths:

27/12 inches - 28/12 inches = (27-28)/12 inches = -1/12 inches.

Therefore, the first lizard (7/3 inches) is 1/12 inches shorter than the second lizard (9/4 inches).