# 9/8 minus 3/5 as a fraction 9/8 - 3/5 as a fraction provides the detailed information about what is 9/8 minus 3/5 in fraction and decimal form, and the answer with steps to understand how it is being calculated by using different methods.

9/8-3/5 equals to
9/8 - 3/5 = (?)
9/8 - 3/5 = [(9 x 5) - (3 x 8)]/(8 x 5)
= (45 - 24)/40
= 21/40
9/8 - 3/5 = 21/40
9/8 minus 3/5 is equal to 21/40

where
9/8 is a fraction as a minuend,
3/5 is a fraction as a subtrahend,
21/40 is the difference between 9/8 and 3/5.

9/8 minus 3/5 as a decimal
9/8 - 3/5 = 21/40
21/40 = 0.525
9/8-3/5 as a decimal is 0.525
where
0.525 is the difference between 9/8 and 3/5.

For values other than 9/8 minus 3/5, use this below tool:

## How-to: 9/8 - 3/5 = ?

The below workout with step by step calculation shows how to find what is 9/8 minus 3/5 in simplest form by using the following methods:
1. LCM method,
2. Cross multiplication method.

Problem and Workout - LCM Method:
What is 9/8 minus 3/5 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 9/8
Fraction B: 3/5

What to be found?
9/8-3/5 = ?
Find what's the difference between 9/8 and 3/5.

step 2 Compare the denominators of fractions 9/8 and 3/5 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 9/8 and 3/5 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 9/8 and 3/5:
The LCM of 8 and 5 is 40.

step 4 Write the fractions 9/8 and 3/5 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
=9/8-3/5
=(9 x 40)/(8 x 40)-(3 x 40)/(5 x 40)

step 5 Simplify the expression to have common denominator:
=45/40-24/40

step 6 Take the common values out and rewrite the above expression like the below:
=1/40 x (45/1-24/1)
=1/40 x (45 - 24)

step 7Simplify the above expression further:
=1/40 x 21
=21/40
9/8-3/5=21/40

Hence,
9/8 minus 3/5 equals to 21/40 in fraction.

Problem and Workout - Cross Multiplication Method
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 9/8
Fraction B: 3/5

What to be found?
9/8-3/5 = ?
Find what's the difference between 9/8 and 3/5.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (9 x 5), find the product of numerator of Fraction B and denominator of Fraction A (3 x 8), and find the product of both denominators of Fraction A and Fraction B (8 x 5) and rewrite the equation as like the below:
= (9 x 5) - (3 x 8)/(8 x 5)

step 3 Simplify and rewrite the fraction:
= (45 - 24)/40
9/8-3/5 = 21/40
Hence,
9/8 minus 3/5 = 21/40 