Basic Math/Maths

Advertisement


Question
How to divide .5625 by 25 .My answer is coming as .225 but the calculator is showing .0225 .
Please explain with detail.

Answer
Hello, Dhananjay.

I'm sorry for the delay in responding.

To divide .5625 by 25 you first have to ask what 25 into 5 is. That answer is 0, so you put a 0 in that place above as part of the answer. The decimal point goes with it, so you begin with .0.

Multiply that 0 by 25, which gives you 0; subtract that from 5, which gives you 5; drop down the 6, which gives you 56. Now you divide 25 into 56, which gives you 2. Multiply that 2 by 25 and you get 50; subtract 50 from 56 and you get 6. Drop down the 2 and you get 62. Divide 25 into 62 and you get 2. Multiply 2 by 25 and you get 50; subtract 50 from 62 and you get 12. Drop down the 5 and you get 125. Finally, divide 25 into 125 and get 5, leaving you with a final answer of .0225.

The only mistake you made was not first dividing 25 into the 5.

I hope this helps.

Regards,
John

Basic Math

All Answers


Answers by Expert:


Ask Experts

Volunteer


John Zalewski

Expertise

I can help you solve problems involving fractions, decimals, ratios, and algebra. I can teach you how to do math faster, and even in your head. I can teach math definitions, and help you study, if necessary. Please do not ask any graphing, trigonometry, or calculus questions. Try to work through homework questions before asking for assistance.

Experience

I routinely process numbers of all kinds in my head, without need of a calculator.

Education/Credentials
I was an A math student while in high school.

©2016 About.com. All rights reserved.