How do you simplify #-11 5/8 - (-4 3/7)#?

Question

1552 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-07-15T16:22:32

#color(cyan)(=> - 7 (11/56)#

#-11(5/8) - (-4(3/7)#

#=> -93/8 - (-31/7)#

#-93/8 + 31/7#

L C M of 7,8 is 7*8 = 56

#=> ((-93 * 7) + (31*8)) / 56#

#=> (-651 + 248) / 56#

#=> -403 / 56#

#color(cyan)(=> - 7 (11/56)#