4/5 - 1/10=
A. 7/10
B.3/5
C.3/10
D.2/25​

Answer

A 7/10

Step-by-step explanation:

if you make it even, you double the 4/5 to make it a 8/10, if you every have a number that is like 4/6-2/18, you triple the 4 to make 12, and triple the 6 to make it 18. so you now have 12/18-2/18=10

So 8/10-1/10=7/10

answer: yes, he is correct

step-by-step explanation: 10x-1=59

                                              1-1=0     59+1=60

60/10=x=6