If you mean 3/4 and 9/12 then they are both equivalent fractions
If you mean 3/4 and 9/12 then they are equivalent fractions because 9/12 = 3/4
456 x 2 = 912
60.8
The multiples of 912 are 912, 1824, 2736, 3648, 4560, etc.
10 912 + 13 912 = 24 824.
2
912 + 267 = 1179
45 - 912 = -867
45.6
2
912 x 69 = 62928