Skip to content

Digital Transformation Pathfinder

Automatic Item Generation
References
Training
Sample Item Models

Tatsouka 2009

Posted byjaehwa September 5, 2020

What is the value of $9$ $\dfrac{1}{3}$ $-$ $3$ $\dfrac{4}{6}$?
A. $5\dfrac{2}{3}$ A. $5\dfrac{2}{3}$
B. $\dfrac{5}{9}$
C. $\dfrac{10}{9}$
D. $1$
E. $\dfrac{2}{1}$

1. $9$ $\dfrac{1}{3}$ $ - $ $3$ $\dfrac{4}{6}$
$ = \dfrac{28}{3}$ $ - $ $\dfrac{22}{6}$
$ = \dfrac{28\times 6}{3\times 6}- \dfrac{22\times 3}{6\times 3}$
$ = \dfrac{168}{18}-\dfrac{66}{18}$$=\dfrac{{168}-{66}}{18}$$=\dfrac{17}{3}$ $= 5\dfrac{2}{3}$ 2. No More Steps

Correct! Nice work!

Posted byjaehwaSeptember 5, 2020Posted inUncategorized

Post navigation

Previous Post Previous post:
Adding Two Fractions

Next Post Next post:
Rationals

CAFA Lab, Proudly powered by WordPress.