Can you pls check these:

Question

3/8 * 2/5 =
i got: 3/20

1/4 of 4/5
i got: 1/5

5/6 of 30/1
i got: 5

2 7/8 * 4/5
i got: 2 3/10

Answer 1

All are correct except for this:

5/6 of 30/1 = 150/6 = 25

Answer 2

sorry i meant 25 but i did it this way
5/6 of 30/1
5/6 * 30/1 6 goes into 30 5 times
becomes 5/1 * 5/1 = 25

thanks for you help

Answer 3

You're welcome.