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# Calculation of R.F. (Representative Fraction)

Updated: Dec 2, 2020

A representative fraction (R.F.) is the ratio of distance on the map to distance on the ground. Representative fractions are expressed in the form of 1 followed by a : (colon) and then a number, where the one is the numerator in the fraction, the colon represents the division operation, and the other number is the denominator.