1: 7 out of 8 = (simplification). There are other questions~ 12: 1 / 4 = (simplification) 0.2:4.8 = (simplification)

1: 7 out of 8 = (simplification). There are other questions~ 12: 1 / 4 = (simplification) 0.2:4.8 = (simplification)

8:7 48:1 1:24