Question

$(\frac{5}{4} )^{2} + \frac{\sqrt{16} }{25}$

Answer 1

25 + 4
16   25

mmc de 25 e 16 = 400

400: 16 = 25. 25 x 25 = 625
400: 25 = 16. 16 x 4 = 64

625 + 64 = 689
  400          400