# 3/10 minus 8/9 as a fraction 3/10 - 8/9 as a fraction provides the detailed information about what is 3/10 minus 8/9 in fraction and decimal form, and the answer with steps to understand how it is being calculated by using different methods.

3/10-8/9 equals to
3/10 - 8/9 = (?)
3/10 - 8/9 = [(3 x 9) - (8 x 10)]/(10 x 9)
= (27 - 80)/90
= -53/90
3/10 - 8/9 = -53/90
3/10 minus 8/9 is equal to -53/90

where
3/10 is a fraction as a minuend,
8/9 is a fraction as a subtrahend,
-53/90 is the difference between 3/10 and 8/9.

3/10 minus 8/9 as a decimal
3/10 - 8/9 = -53/90
-53/90 = -0.5889
3/10-8/9 as a decimal is -0.5889
where
-0.5889 is the difference between 3/10 and 8/9.

For values other than 3/10 minus 8/9, use this below tool:

## How-to: 3/10 - 8/9 = ?

The below workout with step by step calculation shows how to find what is 3/10 minus 8/9 in simplest form by using the following methods:
1. LCM method,
2. Cross multiplication method.

Problem and Workout - LCM Method:
What is 3/10 minus 8/9 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 3/10
Fraction B: 8/9

What to be found?
3/10-8/9 = ?
Find what's the difference between 3/10 and 8/9.

step 2 Compare the denominators of fractions 3/10 and 8/9 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 3/10 and 8/9 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 3/10 and 8/9:
The LCM of 10 and 9 is 90.

step 4 Write the fractions 3/10 and 8/9 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
=3/10-8/9
=(3 x 90)/(10 x 90)-(8 x 90)/(9 x 90)

step 5 Simplify the expression to have common denominator:
=27/90-80/90

step 6 Take the common values out and rewrite the above expression like the below:
=1/90 x (27/1-80/1)
=1/90 x (27 - 80)

step 7Simplify the above expression further:
=1/90 x -53
=-53/90
3/10-8/9=-53/90

Hence,
3/10 minus 8/9 equals to -53/90 in fraction.

Problem and Workout - Cross Multiplication Method
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 3/10
Fraction B: 8/9

What to be found?
3/10-8/9 = ?
Find what's the difference between 3/10 and 8/9.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (3 x 9), find the product of numerator of Fraction B and denominator of Fraction A (8 x 10), and find the product of both denominators of Fraction A and Fraction B (10 x 9) and rewrite the equation as like the below:
= (3 x 9) - (8 x 10)/(10 x 9)

step 3 Simplify and rewrite the fraction:
= (27 - 80)/90
3/10-8/9 = -53/90
Hence,
3/10 minus 8/9 = -53/90 