Respuesta :
Answer:
Exact form: 169/8
Mixed form: 21 1/8
Decimal form: 21.125
Step-by-step explanation:
Answer: 21.12
Step-by-step explanation: Hopefully you worded it right, looked a little weird but here's the explanation:
(9 7/8) + (11 2/8) = 21.12
7/8 = .87 + 9 = 9.87
2/8 = 0.25 + 11 = 11.25
9.87 + 11.25 = 21.12