5/13 - 18/19 as a fraction

Learn how to find what is 5/13 minus 18/19 in fraction form just in a few minutes. We have covered the easiest method to write 5/13 - 18/19 as a fraction and decimal.

Summary: 5/13 minus 18/19 = -139/247
Since both fractions have unequal denominators, 5/13 minus 18/19 is an unlike fractions subtraction. For subtracting unlike fractions, you have to first find the equivalent fractions for fraction 5/13 and fraction 18/19 in order to have the same denominators for both fractions. Therefore, you have to find the LCM of denominators 13 and 19. 247 is the LCM of 13 and 19. Multiplying the LCM 247 with the numerators and denominators of both fractions (5/13 x 247/247) - (18/19 x 247/247), and simplify further in order to have the common denominator. So the equivalent fraction for 5/13 is 95/247 and for 18/19 is 234/247. By simplifying this fraction subtraction 95/247 - 234/247, it becomes -139/247.

CALCULATION: 5/13 - 18/19 as a fraction
5/13 - 18/19 = (?)
5/13 - 18/19 = [(5 x 19) - (18 x 13)]/(13 x 19)
= (95 - 234)/247
= -139/247
5/13 - 18/19 = -139/247
5/13 minus 18/19 as a fraction is -139/247.

where
5/13 is a proper fraction as a minuend,
18/19 is a proper fraction as a subtrahend,
-139/247 is the difference between 5/13 and 18/19.

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5/13 minus 18/19 as a decimal
5/13 - 18/19 = -139/247
-139/247 = -0.5628
(5/13) - (18/19) as a decimal is -0.5628

where
-0.5628 is the difference between 5/13 and 18/19.

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 18/19 from 5/13. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 5/13 minus 18/19.
1. LCM method
2. Cross multiplication method.

(5/13) - (18/19) using LCM Method:
What is 5/13 minus 18/19 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 5/13
Fraction B: 18/19

What to be found?
(5/13) - (18/19) = ?
Find what's the difference between 5/13 and 18/19.

step 2 Compare the denominators of fractions 5/13 and 18/19 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 5/13 and 18/19 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 5/13 and 18/19:
The LCM of 13 and 19 is 247.

step 4 Write the fractions 5/13 and 18/19 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
= 5/13 - 18/19
= [(5 x 247)/(13 x 247)] - [(18 x 247)/(19 x 247)]

step 5 Simplify the expression to have common denominator:
= 95/247 - 234/247

step 6 Take the common values out and rewrite the above expression like the below:
= 1/247 x (95/1 - 234/1)
= 1/247 x (95 - 234)

step 7Simplify the above expression further:
= 1/247 x -139
= -139/247
5/13 - 18/19 = -139/247

Hence,
5/13 minus 18/19 as a fraction is -139/247.

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5/13 - 18/19 using Cross Multiplication Method:
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 5/13
Fraction B: 18/19

What to be found?
(5/13)-(18/19) = ?
Find what's the difference between 5/13 and 18/19.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (5 x 19), find the product of numerator of Fraction B and denominator of Fraction A (18 x 13), and find the product of both denominators of Fraction A and Fraction B (13 x 19) and rewrite the equation as like the below:
= (5 x 19) - (18 x 13)/(13 x 19)

step 3 Simplify and rewrite the fraction:
= (95 - 234)/247
5/13 - 18/19 = -139/247

Hence,
5/13 minus 18/19 in fraction is -139/247