It means greater than. For example: Thomas baked 50 cupcakes in 1 hour and Ezra baked 25 cupcakes in 1 hour. How many more cupcakes did Thomas bake than Ezra. The answer would be 25 cupcakes. In this example you are subtracting but " more than" is greater than so I think it's subtracting.
+ means: More than, Add, In Addition, Increased, In Excess, Greater. <span>- means: Decreased by, Less than, Subtract, Difference, Diminished, </span> <span>........Reduced, Remainder. </span> <span>• or x means: Times as much, Percent of, Multiply, Product, Interest on. </span> <span>/ or ÷ means: Divide, Quotient, Per. </span> <span>(...) means: Quantity. </span> <span>= means: Is, Was, Equal, Will be, Results.</span>
