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Math Tutor Solution: 148 131/100 as a decimal is 149.31
Methods
First step – Making the fraction improper:
The first step to changing 148 131/100 into a decimal is to change it to an improper fraction. To do that, we need to multiply 148 by 100 and add its product to 131 in the numerator to get: 14931/100. Now we will attempt to convert 14931/100 to a decimal using one of the following methods:
Method 1 from a math tutor – Explanation using the division method:
Put in a nutshell, a fraction is written in terms of two parts separated by a line in between: the number above the line is called the numerator and the number below the line is called the denominator. To solve this question, we can use the division method to get a decimal: simply divide the numerator 14931 by the denominator 100 to get the decimal:
14931 (numerator) ÷ 100 (denominator) = 149.31
That’s it! When you convert 148 131/100 (or 14931/100) to a decimal, 149.31 is your answer.
Method 2 from a math tutor – Explanation using the factors of 10 method:
Another method is to change the denominator to a power of 10 (like 10, 100, 1000 etc.). This way, the fraction will be coming simpler to compute.
Even if our denominator is not a power of 10, we can make it one. If the denominator is a factor of a power of 10, like 2, 4, 5, 8, 10, 16, 20, 25, 40, 50 and so on, then we can convert them into a power of 10. Since our denominator is 100, we can convert it because it is a factor of a power of 10.
To do that, we multiply 100 by 1 to make the denominator 100. And since we multiplied the denominator by 1, we also need to multiply the numerator by 1 too:
Math Tutor Suggests: Master fraction to decimal conversions
All it takes to be better at something is some practice! Our math tutors suggest that you take a look at some more similar problems on converting fractions to decimals and give them a go:
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