What is #2 6/9 -: 3 7/8#?

1 Answer
Apr 1, 2016

#64/93#

Explanation:

To calculate #2 6/9-:3 7/8#, one needs to multiply #2 6/9# by multiplicative inverse of #3 7/8=(3xx8+7)/8=31/8#, which is #8/31#.

Hence, #2 6/9-:3 7/8=(2xx9+6)/9xx8/31=24/9xx8/31=(8cancel(24)xx8)/(31xx3cancel(9))=64/93#