# 5/4 minus 7/9 as a fraction

5/4 - 7/9 as a fraction provides the detailed information about what is 5/4 minus 7/9 in fraction and decimal form, and the answer with steps to understand how it is being calculated by using different methods.**5/4-7/9 equals to**

5/4 - 7/9 = (?)

5/4 - 7/9 = [(5 x 9) - (7 x 4)]/(4 x 9)

= (45 - 28)/36

= 17/36

5/4 - 7/9 = 17/36

5/4 minus 7/9 is equal to **17/36**__where__

5/4 is a fraction as a minuend,

7/9 is a fraction as a subtrahend,

17/36 is the difference between 5/4 and 7/9.**5/4 minus 7/9 as a decimal**

5/4 - 7/9 = 17/36

17/36 = 0.4722

5/4-7/9 as a decimal is 0.4722__where__

0.4722 is the difference between 5/4 and 7/9.

## How-to: 5/4 - 7/9 = ?

1. LCM method,

2. Cross multiplication method.

__Problem and Workout - LCM Method:__

What is 5/4 minus 7/9 as a fraction?

step 1 Observe the input parameters and what to be found:__Input:__

Fraction A: 5/4

Fraction B: 7/9__What to be found?__

5/4-7/9 = ?

Find what's the difference between 5/4 and 7/9.

step 2 Compare the denominators of fractions 5/4 and 7/9 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 5/4 and 7/9 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 5/4 and 7/9:

The LCM of 4 and 9 is 36.

step 4 Write the fractions 5/4 and 7/9 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.

=5/4-7/9

=(5 x 36)/(4 x 36)-(7 x 36)/(9 x 36)

step 5 Simplify the expression to have common denominator:

=45/36-28/36

step 6 Take the common values out and rewrite the above expression like the below:

=1/36 x (45/1-28/1)

=1/36 x (45 - 28)

step 7Simplify the above expression further:

=1/36 x 17

=17/36

5/4-7/9=17/36

Hence,

5/4 minus 7/9 equals to **17/36** in fraction.

__Problem and Workout - Cross Multiplication Method__

step 1 Observe the input parameters and what to be found:__Input:__

Fraction A: 5/4

Fraction B: 7/9__What to be found?__

5/4-7/9 = ?

Find what's the difference between 5/4 and 7/9.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (5 x 9), find the product of numerator of Fraction B and denominator of Fraction A (7 x 4), and find the product of both denominators of Fraction A and Fraction B (4 x 9) and rewrite the equation as like the below:

= (5 x 9) - (7 x 4)/(4 x 9)

step 3 Simplify and rewrite the fraction:

= (45 - 28)/36

5/4-7/9 = 17/36

Hence,

5/4 minus 7/9 = **17/36**