Page 27 - NUMINO Challenge_D2
P. 27
3 Egyptian Fractions
Basic Concepts Egyptian Fractions and Unit Fractions
The following shows ancient Egyptian numbers.
Ancient Egypt used the mark above the denominator to express a unit
fraction. However, 1 and 1 are two exceptions.
2 3
Example Write ancient Egyptian fractions as numerical fractions and
numerical fractions as ancient Egyptian fractions.
1
15
1
36
Class Notes
represents , therefore written as a numerical fraction is .
The ancient Egyptian number that represents 15 is ,
therefore 1 written as an Egyptian fraction is
15
represents , therefore written as a numerical fraction is .
The ancient Egyptian number that represents 36 is 1
, therefore 36 written as an
Egyptian fraction is
24 NUMINO Challenge D2
Basic Concepts Egyptian Fractions and Unit Fractions
The following shows ancient Egyptian numbers.
Ancient Egypt used the mark above the denominator to express a unit
fraction. However, 1 and 1 are two exceptions.
2 3
Example Write ancient Egyptian fractions as numerical fractions and
numerical fractions as ancient Egyptian fractions.
1
15
1
36
Class Notes
represents , therefore written as a numerical fraction is .
The ancient Egyptian number that represents 15 is ,
therefore 1 written as an Egyptian fraction is
15
represents , therefore written as a numerical fraction is .
The ancient Egyptian number that represents 36 is 1
, therefore 36 written as an
Egyptian fraction is
24 NUMINO Challenge D2
