5/9 minus 4/8 as a fraction
5/9 - 4/8 as a fraction provides the detailed information about what is 5/9 minus 4/8 in fraction and decimal form, and the answer with steps to understand how it is being calculated by using different methods.
5/9-4/8 equals to
5/9 - 4/8 = (?)
5/9 - 4/8 = [(5 x 8) - (4 x 9)]/(9 x 8)
= (40 - 36)/72
= 4/72
= (4 x 1)/(4 x 18)
= 1/18
5/9 - 4/8 = 1/18
5/9 minus 4/8 is equal to 1/18
where
5/9 is a fraction as a minuend,
4/8 is a fraction as a subtrahend,
1/18 is the difference between 5/9 and 4/8.
5/9 minus 4/8 as a decimal
5/9 - 4/8 = 1/18
1/18 = 0.0556
5/9-4/8 as a decimal is 0.0556
where
0.0556 is the difference between 5/9 and 4/8.
How-to: 5/9 - 4/8 = ?
1. LCM method,
2. Cross multiplication method.
Problem and Workout - LCM Method:
What is 5/9 minus 4/8 as a fraction?
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 5/9
Fraction B: 4/8
What to be found?
5/9-4/8 = ?
Find what's the difference between 5/9 and 4/8.
step 2 Compare the denominators of fractions 5/9 and 4/8 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 5/9 and 4/8 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 4/8:
The LCM of 9 and 8 is 72.
step 4 Write the fractions 5/9 and 4/8 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
=5/9-4/8
=(5 x 72)/(9 x 72)-(4 x 72)/(8 x 72)
step 5 Simplify the expression to have common denominator:
=40/72-36/72
step 6 Take the common values out and rewrite the above expression like the below:
=1/72 x (40/1-36/1)
=1/72 x (40 - 36)
step 7Simplify the above expression further:
=1/72 x 4
= 4/72
=1/18
5/9-4/8=1/18
Hence,
5/9 minus 4/8 equals to 1/18 in fraction.
Problem and Workout - Cross Multiplication Method
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 5/9
Fraction B: 4/8
What to be found?
5/9-4/8 = ?
Find what's the difference between 5/9 and 4/8.
step 2 Find the product of numerator of Fraction A and denominator of Fraction B (5 x 8), find the product of numerator of Fraction B and denominator of Fraction A (4 x 9), and find the product of both denominators of Fraction A and Fraction B (9 x 8) and rewrite the equation as like the below:
= (5 x 8) - (4 x 9)/(9 x 8)
step 3 Simplify and rewrite the fraction:
= (40 - 36)/72
= 4/72
= 1/18
5/9-4/8 = 1/18
Hence,
5/9 minus 4/8 = 1/18
