8.472222222

Question

-2 5/12 - (-10 8/9)

Answer 1

`-2 \frac 5{12} - \left( - 10 \frac 89 \right)\\\\\\=- \left(2 + \frac 5{12} \right) + \left(10 + \frac 89 \right) \\\\\\=8 + \frac 89 - \frac 5{12}\\\\\\=8+ (32)/(36) - (15)/(36)\\\\\\= 8 + (17)/(36)\\\\\\= 8 (17)/(36)`