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To divide a fraction by a whole number, you may either divide the numerator by the number, if it goes evenly into the numerator, or multiply the denominator by the ...
A fraction is a division expression where both dividend and divisor are integers ... This process of multiplying and dividing by ...
We can reduce the fractions to lowest terms by noting that the two occurrences of b on the left-hand side cancel, as do the two occurrences of d on the right-hand side, leaving =, and we can divide both sides of the equation by any of the elements—in this case we will use d —getting =.
Arithmetic is the fundamental branch of mathematics that studies numbers and their operations. In particular, it deals with numerical calculations using the arithmetic operations of addition, subtraction, multiplication, and division. [1]
In academic literature, when inline fractions are combined with implied multiplication without explicit parentheses, the multiplication is conventionally interpreted as having higher precedence than division, so that e.g. 1 / 2n is interpreted to mean 1 / (2 · n) rather than (1 / 2) · n.
Dividing by a matrix means, more precisely, multiplying by its inverse. Not all matrices have inverses. [29] For example, a matrix containing only zeros is not invertible. One can define a pseudo-division, by setting a/b = ab +, in which b + represents the pseudoinverse of b. It can be proven that if b −1 exists, then b + = b −1.
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