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AMC (AIMO validation set) / https://artofproblemsolving.com/wiki/index.php/2023_AMC_12A_Problems/Problem_2 / The weight of (1)/(3) of a large pizza together with 3(1)/(2) cups of orange slices is the same as the weight of (3)/(4) of a large pizza together with (1)/(2) cup of orange slices…

Problem

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problem

The weight of 13\frac{1}{3} of a large pizza together with 3123 \frac{1}{2} cups of orange slices is the same as the weight of 34\frac{3}{4} of a large pizza together with 12\frac{1}{2} cup of orange slices. A cup of orange slices weighs 14\frac{1}{4} of a pound. What is the weight, in pounds, of a large pizza? The answer can be written in the form mn\frac{m}{n}, where mm and nn are relatively prime positive integers. What is mnm-n?
Plain-text mathematical notation (without MathML)
The weight of (1)/(3) of a large pizza together with 3(1)/(2) cups of orange slices is the same as the weight of (3)/(4) of a large pizza together with (1)/(2) cup of orange slices. A cup of orange slices weighs (1)/(4) of a pound. What is the weight, in pounds, of a large pizza? The answer can be written in the form (m)/(n), where m and n are relatively prime positive integers. What is m−n?
Original LaTeX notation
The weight of $\frac{1}{3}$ of a large pizza together with $3 \frac{1}{2}$ cups of orange slices is the same as the weight of $\frac{3}{4}$ of a large pizza together with $\frac{1}{2}$ cup of orange slices. A cup of orange slices weighs $\frac{1}{4}$ of a pound. What is the weight, in pounds, of a large pizza? The answer can be written in the form $\frac{m}{n}$, where $m$ and $n$ are relatively prime positive integers. What is $m-n$?

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