<u>Answer:</u>
<u>Step-by-step explanation:</u>
<u>To subtract fractions, we must check if the denominators of both fractions are the same.</u>
- 2/5 - 1/7
- => 2 x 7/5 x 7 - 1 x 5/7 x 5
- => 14/35 - 5/35
<u>Now, let's subtract for the result.</u>
Hence, <u>Option B is correct.</u>
Hoped this helped.

<span>
One painter can finish a certain job 5 hours before another painter who is doing the same job. When they work together they can finish this job in 6 hours. How long does it take for each painter to do the job by himself? 6 hours</span>
The correct answer is only A, because you need the tenths place to be greater than the number on the left, and not just the hundredths place.
P.S. Even though I'm a beginner, I took Multi-Variable calculus in 12th grade.
P.P.S. STOP PUTTING ON RANDOM ANSWERS ON QUESTIONS JUST SO YOU CAN GET THE POINTS!!!!!!
Ans: 7, -7
As 7(7)=49, -7(-7)=49
Hope this can help.
Since there are 6 factors of 52 (1, 2, 4, 13, 26, 52), the answer is 6