Question

4 1/9 *2,45+ 4 1/3*3,55

Answer 1

4 1/9 * 2,45 + 4 1/3 * 3,55 = 25 41/90

1) 4 1/9 * 2,45 = 37/9 * 245/100 = 37/9 * 49/20 = 1813/180 = 10 13/180
2) 4 1/3 * 3,55 = 13/3 * 355/100 = 4615/300 = 15 115/300 = 15 23/60
3) 10 13/180 + 15 23/60 = 10 13/180 + 15 69/180 = 25 82/180 = 25 41/90