The weight of an apple is 1 / 6 more than that of an orange. How much is the weight of an orange?

The weight of an apple is 1 / 6 more than that of an orange. How much is the weight of an orange?

The weight of an apple is 1 / 6 more than that of an orange. How much is the weight of an orange?
Let the weight of the orange be 1, then the weight of the apple is 7 / 6 (because 1 = 6 / 6), and the orange divided by the apple = 1 divided by 7 / 6 = 6 / 7
Enough details,

One fourth of the weight of an orange is as heavy as two seventh of the weight of an apple. How many parts of the weight of an orange is that of an apple
The weight ratio of apple to orange is (): ()

So Apple: Orange = 1:4, 2:7 = 7:8
therefore
The weight of an orange is the same as that of an apple: 8 / 7 = 8 / 7