-669/350-2 4/7

Interpret the expression as -669/350 - (2 4/7).

• Convert 2 4/7 to an improper fraction: 2 4/7 = 18/7.
• Subtract with common denominator 350: -669/350 - 18/7 = -669/350 - (18×50)/350 = -669/350 - 900/350 = -1569/350.
• This fraction is already in simplest form.

Optionally as a mixed number: -1569/350 = -4 169/350.