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Would you please explain two ways of adding together 19 49 99 and 1999 using Roman numerals in both calculations?
The way in which we write out Roman numerals today differs in many respects as to the way that the Romans actually did themselves to the extent that today we would convert 19, 49, 99 and 1999 into Roman numerals as XIX, XLIX, XCIX and MCMXCIX respectively thus making addition of them almost impossible.
But notwithstanding the aforementioned inasmuch that there is evidence to suggest that the Romans in the past would have calculated the above numbers as in either of the following formats:-
IXX+IL = LXVIII (20-1)+(50-1) = (68)
LXVIII+IC = CLXVII (68)+(100-1) = (167)
CLXVII+IMM = MMCLXVI (167)+(2000-1) = (2166)
Alternatively:-
XVIII+XXXXVIIII = LXVIII (19)+(49) = (68)
LXVIII+LXXXXVIIII = CLXVII (68)+(99) = (167)
CLXVII+MDCCCCLXXXXVIIII = MMCLXVI (167)+(1999) = (2166)
Note that: 5*I=V, 2*V=X, 5*X=L, 2*L=C, 5*C=D and 2*D=M
Roman numerals: M=1000, D=500, C=100, L=50, X=10, V=5 and I=1
QED
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What are two different ways of adding together 1776 plus 199 plus 145 but working out both calculations entirely in Roman numerals?
Notwithstanding today's rules now governing the Roman numeral system that were introduced during the Middle Ages inasmuch that there exist credible evidence to suggest that the ancient Romans would have worked out the required calculations as follows:-MDCCLXXVI+CLXXXXVIIII+CXXXXV = MMCXX => 1776+199+145 = 2120VXXCCMMI+ICC+VCL = MMCXX => (2001-225)+(200-1)+(150-5) = 2120Note that the above calculations are fairly simple and straightforward but for more complicated calculations the Romans would have made use of an abacus calculating device.QED
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