1, as it's 24/24
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To compare 23 inches and 2 feet, we need to convert them to the same unit of measurement. Since 1 foot is equal to 12 inches, 2 feet is equal to 24 inches. Therefore, 2 feet (24 inches) is greater than 23 inches.
To compare the fractions 28/81 and 7/24, we need to find a common denominator. In this case, the least common multiple of 81 and 24 is 81. We then convert both fractions to have a denominator of 81: 28/81 = 28/81 and 7/24 = 21/81. Now that both fractions have the same denominator, we can compare the numerators directly. Since 28 is greater than 21, the fraction 28/81 is greater than 7/24.
78
The sum is greater than 24.
Greater than, because negatives numbers become bigger when they approach 0.