The height of a plant at the beginning of a month was 19 1/2 centimeters at the end of the same month the height of the plant was 22 3/8 centimeters. How many centimeters did the plant grow in a the nonth

1 answer

19 1/2 = 19 4/8

22 3/8 = 21 11/8

21 11/8 - 19 4/8 = ?