Page:The Rhind Mathematical Papyrus, Volume I.pdf/81

21] Problem 17

Multiply $1/undefined$ by 1$2/3$$1/undefined$.

Problem 18

Multiply $1/undefined$ by 1$2/3$$1/undefined$.

Problem 19

Multiply $1/undefined$ by 1$1/undefined$$1/undefined$.

Problem 20

Multiply $2/3$. by 1$1/undefined$$2/3$

SECTION IV

Problem 21

It is said to thee, Complete $1/undefined$$1/undefined$ to 1.

Applied to 15, $2/3$ is 10 and $1/undefined$ is 1, making 11; the remainder is 4. Multiply 15 so as to get 4.