5/9 - 7/18 as a fraction

Learn how to find what is 5/9 minus 7/18 in fraction form just in a few minutes. We have covered the easiest method to write 5/9 - 7/18 as a fraction and decimal.

Summary: 5/9 minus 7/18 = 1/6
Since both fractions have unequal denominators, 5/9 minus 7/18 is an unlike fractions subtraction. For subtracting unlike fractions, you have to first find the equivalent fractions for fraction 5/9 and fraction 7/18 in order to have the same denominators for both fractions. Therefore, you have to find the LCM of denominators 9 and 18. 18 is the LCM of 9 and 18. Multiplying the LCM 18 with the numerators and denominators of both fractions (5/9 x 18/18) - (7/18 x 18/18), and simplify further in order to have the common denominator. So the equivalent fraction for 5/9 is 10/18 and for 7/18 is 7/18. By simplifying this fraction subtraction 10/18 - 7/18, it becomes 3/18.

Pie Chart Representation: 5/9 - 7/18 = 1/6

CALCULATION: 5/9 - 7/18 as a fraction
5/9 - 7/18 = (?)
5/9 - 7/18 = [(5 x 18) - (7 x 9)]/(9 x 18)
= (90 - 63)/162
= 27/162
= (27 x 1)/(27 x 6)
= 1/6
5/9 - 7/18 = 1/6
5/9 minus 7/18 as a fraction is 1/6.

where
5/9 is a proper fraction as a minuend,
7/18 is a proper fraction as a subtrahend,
1/6 is the difference between 5/9 and 7/18.

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5/9 minus 7/18 as a decimal
5/9 - 7/18 = 1/6
1/6 = 0.1667
(5/9) - (7/18) as a decimal is 0.1667

where
0.1667 is the difference between 5/9 and 7/18.

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 7/18 from 5/9. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 5/9 minus 7/18.
1. LCM method
2. Cross multiplication method.

(5/9) - (7/18) using LCM Method:
What is 5/9 minus 7/18 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 5/9
Fraction B: 7/18

What to be found?
(5/9) - (7/18) = ?
Find what's the difference between 5/9 and 7/18.

step 2 Compare the denominators of fractions 5/9 and 7/18 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 5/9 and 7/18 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 5/9 and 7/18:
The LCM of 9 and 18 is 18.

step 4 Write the fractions 5/9 and 7/18 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
= 5/9 - 7/18
= [(5 x 18)/(9 x 18)] - [(7 x 18)/(18 x 18)]

step 5 Simplify the expression to have common denominator:
= 10/18 - 7/18

step 6 Take the common values out and rewrite the above expression like the below:
= 1/18 x (10/1 - 7/1)
= 1/18 x (10 - 7)

step 7Simplify the above expression further:
= 1/18 x 3
= 3/18
= 1/6
5/9 - 7/18 = 1/6

Hence,
5/9 minus 7/18 as a fraction is 1/6.

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5/9 - 7/18 using Cross Multiplication Method:
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 5/9
Fraction B: 7/18

What to be found?
(5/9)-(7/18) = ?
Find what's the difference between 5/9 and 7/18.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (5 x 18), find the product of numerator of Fraction B and denominator of Fraction A (7 x 9), and find the product of both denominators of Fraction A and Fraction B (9 x 18) and rewrite the equation as like the below:
= (5 x 18) - (7 x 9)/(9 x 18)

step 3 Simplify and rewrite the fraction:
= (90 - 63)/162
= 27/162
= 1/6
5/9 - 7/18 = 1/6

Hence,
5/9 minus 7/18 in fraction is 1/6