13/9 - 9 as a fraction

Learn how to find what is 13/9 minus 9 in fraction form just in a few minutes. We have covered the easiest method to write 13/9 - 9 as a fraction and decimal.

Summary: 13/9 minus 9 = -68/9
Since both fractions have unequal denominators, 13/9 minus 9 is an unlike fractions subtraction. For subtracting unlike fractions, you have to first find the equivalent fractions for fraction 13/9 and fraction 9 in order to have the same denominators for both fractions. Therefore, you have to find the LCM of denominators 9 and 1. 9 is the LCM of 9 and 1. Multiplying the LCM 9 with the numerators and denominators of both fractions (13/9 x 9/9) - (9 x 9/9), and simplify further in order to have the common denominator. So the equivalent fraction for 13/9 is 13/9 and for 9 is 81/9. By simplifying this fraction subtraction 13/9 - 81/9, it becomes -68/9.

CALCULATION: 13/9 - 9 as a fraction
13/9 - 9 = (?)
13/9 - 9/1 = [(13 x 1) - (9 x 9)]/(9 x 1)
= (13 - 81)/9
= -68/9
13/9 - 9 = -68/9
13/9 minus 9 as a fraction is -68/9.

where
13/9 is a improper fraction as a minuend,
9 is a whole number as a subtrahend,
-68/9 is the difference between 13/9 and 9.

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13/9 minus 9 as a decimal
13/9 - 9 = -68/9
-68/9 = -7.5556
(13/9) - (9) as a decimal is -7.5556

where
-7.5556 is the difference between 13/9 and 9.

The below workout with step by step calculation shows how to find the difference between fraction and a whole number by subtracting 9 from 13/9. use any one of the following methods to find the equivalent fraction for 13/9 minus 9.
1. LCM method
2. Cross multiplication method.

(13/9) - (9) using LCM Method:
What is 13/9 minus 9 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 13/9
Fraction B: 9/1

What to be found?
(13/9) - (9) = ?
Find what's the difference between 13/9 and 9.

step 2 Compare the denominators of fractions 13/9 and 9 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 13/9 and 9 are not equal, it is said to be unlike fractions subtraction.

step 3For unlike fractions subtraction, find the LCM (least common multiple) of both denominators of fractions 13/9 and 9:
The LCM of 9 and 1 is 9.

step 4 Write the fractions 13/9 and 9 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
= 13/9 - 9
= [(13 x 9)/(9 x 9)] - [(9 x 9)/(1 x 9)]

step 5 Simplify the expression to have common denominator:
= 13/9 - 81/9

step 6 Take the common values out and rewrite the above expression like the below:
= 1/9 x (13/1 - 81/1)
= 1/9 x (13 - 81)

step 7Simplify the above expression further:
= 1/9 x -68
= -68/9
13/9 - 9 = -68/9

Hence,
13/9 minus 9 as a fraction is -68/9.

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13/9 - 9 using Cross Multiplication Method:
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 13/9
Fraction B: 9/1

What to be found?
(13/9)-(9) = ?
Find what's the difference between 13/9 and 9.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (13 x 1), find the product of numerator of Fraction B and denominator of Fraction A (9 x 9), and find the product of both denominators of Fraction A and Fraction B (9 x 1) and rewrite the equation as like the below:
= (13 x 1) - (9 x 9)/(9 x 1)

step 3 Simplify and rewrite the fraction:
= (13 - 81)/9
13/9 - 9 = -68/9

Hence,
13/9 minus 9 in fraction is -68/9