# 4/5 minus 1/8 as a fraction 4/5 - 1/8 as a fraction provides the detailed information about what is 4/5 minus 1/8 in fraction and decimal form, and the answer with steps to understand how it is being calculated by using different methods.

4/5-1/8 equals to
4/5 - 1/8 = (?)
4/5 - 1/8 = [(4 x 8) - (1 x 5)]/(5 x 8)
= (32 - 5)/40
= 27/40
4/5 - 1/8 = 27/40
4/5 minus 1/8 is equal to 27/40

where
4/5 is a fraction as a minuend,
1/8 is a fraction as a subtrahend,
27/40 is the difference between 4/5 and 1/8.

4/5 minus 1/8 as a decimal
4/5 - 1/8 = 27/40
27/40 = 0.675
4/5-1/8 as a decimal is 0.675
where
0.675 is the difference between 4/5 and 1/8.

For values other than 4/5 minus 1/8, use this below tool:

## How-to: 4/5 - 1/8 = ?

The below workout with step by step calculation shows how to find what is 4/5 minus 1/8 in simplest form by using the following methods:
1. LCM method,
2. Cross multiplication method.

Problem and Workout - LCM Method:
What is 4/5 minus 1/8 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 4/5
Fraction B: 1/8

What to be found?
4/5-1/8 = ?
Find what's the difference between 4/5 and 1/8.

step 2 Compare the denominators of fractions 4/5 and 1/8 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 4/5 and 1/8 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 4/5 and 1/8:
The LCM of 5 and 8 is 40.

step 4 Write the fractions 4/5 and 1/8 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
=4/5-1/8
=(4 x 40)/(5 x 40)-(1 x 40)/(8 x 40)

step 5 Simplify the expression to have common denominator:
=32/40-5/40

step 6 Take the common values out and rewrite the above expression like the below:
=1/40 x (32/1-5/1)
=1/40 x (32 - 5)

step 7Simplify the above expression further:
=1/40 x 27
=27/40
4/5-1/8=27/40

Hence,
4/5 minus 1/8 equals to 27/40 in fraction.

Problem and Workout - Cross Multiplication Method
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 4/5
Fraction B: 1/8

What to be found?
4/5-1/8 = ?
Find what's the difference between 4/5 and 1/8.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (4 x 8), find the product of numerator of Fraction B and denominator of Fraction A (1 x 5), and find the product of both denominators of Fraction A and Fraction B (5 x 8) and rewrite the equation as like the below:
= (4 x 8) - (1 x 5)/(5 x 8)

step 3 Simplify and rewrite the fraction:
= (32 - 5)/40
4/5-1/8 = 27/40
Hence,
4/5 minus 1/8 = 27/40 