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 $9$ $\dfrac{5}{6}$ $-$ $8$ $\dfrac{3}{7}$?
A. $1\dfrac{17}{42}$ A. $1\dfrac{17}{42}$
B. $\dfrac{8}{13}$
C. $\dfrac{14}{13}$
D. $1$
E. $\dfrac{95}{42}$

1. $9$ $\dfrac{5}{6}$ $ - $ $8$ $\dfrac{3}{7}$
$ = \dfrac{59}{6}$ $ - $ $\dfrac{59}{7}$
$ = \dfrac{59\times 7}{6\times 7}- \dfrac{59\times 6}{7\times 6}$
$ = \dfrac{413}{42}-\dfrac{354}{42}$$=\dfrac{{413}-{354}}{42}$$=\dfrac{59}{42}$ $= 1\dfrac{17}{42}$ 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.