13/9 - 12/17 as a fraction

Learn how to find what is 13/9 minus 12/17 in fraction form just in a few minutes. We have covered the easiest method to write 13/9 - 12/17 as a fraction and decimal.

Summary: 13/9 minus 12/17 = 113/153
Since both fractions have unequal denominators, 13/9 minus 12/17 is an unlike fractions subtraction. For subtracting unlike fractions, you have to first find the equivalent fractions for fraction 13/9 and fraction 12/17 in order to have the same denominators for both fractions. Therefore, you have to find the LCM of denominators 9 and 17. 153 is the LCM of 9 and 17. Multiplying the LCM 153 with the numerators and denominators of both fractions (13/9 x 153/153) - (12/17 x 153/153), and simplify further in order to have the common denominator. So the equivalent fraction for 13/9 is 221/153 and for 12/17 is 108/153. By simplifying this fraction subtraction 221/153 - 108/153, it becomes 113/153.

Pie Chart Representation: 13/9 - 12/17 = 113/153

CALCULATION: 13/9 - 12/17 as a fraction
13/9 - 12/17 = (?)
13/9 - 12/17 = [(13 x 17) - (12 x 9)]/(9 x 17)
= (221 - 108)/153
= 113/153
13/9 - 12/17 = 113/153
13/9 minus 12/17 as a fraction is 113/153.

where
13/9 is a improper fraction as a minuend,
12/17 is a proper fraction as a subtrahend,
113/153 is the difference between 13/9 and 12/17.

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13/9 minus 12/17 as a decimal
13/9 - 12/17 = 113/153
113/153 = 0.7386
(13/9) - (12/17) as a decimal is 0.7386

where
0.7386 is the difference between 13/9 and 12/17.

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 12/17 from 13/9. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 13/9 minus 12/17.
1. LCM method
2. Cross multiplication method.

(13/9) - (12/17) using LCM Method:
What is 13/9 minus 12/17 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 13/9
Fraction B: 12/17

What to be found?
(13/9) - (12/17) = ?
Find what's the difference between 13/9 and 12/17.

step 2 Compare the denominators of fractions 13/9 and 12/17 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 13/9 and 12/17 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 12/17:
The LCM of 9 and 17 is 153.

step 4 Write the fractions 13/9 and 12/17 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
= 13/9 - 12/17
= [(13 x 153)/(9 x 153)] - [(12 x 153)/(17 x 153)]

step 5 Simplify the expression to have common denominator:
= 221/153 - 108/153

step 6 Take the common values out and rewrite the above expression like the below:
= 1/153 x (221/1 - 108/1)
= 1/153 x (221 - 108)

step 7Simplify the above expression further:
= 1/153 x 113
= 113/153
13/9 - 12/17 = 113/153

Hence,
13/9 minus 12/17 as a fraction is 113/153.

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13/9 - 12/17 using Cross Multiplication Method:
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 13/9
Fraction B: 12/17

What to be found?
(13/9)-(12/17) = ?
Find what's the difference between 13/9 and 12/17.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (13 x 17), find the product of numerator of Fraction B and denominator of Fraction A (12 x 9), and find the product of both denominators of Fraction A and Fraction B (9 x 17) and rewrite the equation as like the below:
= (13 x 17) - (12 x 9)/(9 x 17)

step 3 Simplify and rewrite the fraction:
= (221 - 108)/153
13/9 - 12/17 = 113/153

Hence,
13/9 minus 12/17 in fraction is 113/153