# 3/12 minus 5/8 as a fraction 3/12 - 5/8 as a fraction provides the detailed information about what is 3/12 minus 5/8 in fraction and decimal form, and the answer with steps to understand how it is being calculated by using different methods.

3/12-5/8 equals to
3/12 - 5/8 = (?)
3/12 - 5/8 = [(3 x 8) - (5 x 12)]/(12 x 8)
= (24 - 60)/96
= -36/96
= (12 x -3)/(12 x 8)
= -3/8
3/12 - 5/8 = -3/8
3/12 minus 5/8 is equal to -3/8

where
3/12 is a fraction as a minuend,
5/8 is a fraction as a subtrahend,
-3/8 is the difference between 3/12 and 5/8.

3/12 minus 5/8 as a decimal
3/12 - 5/8 = -3/8
-3/8 = -0.375
3/12-5/8 as a decimal is -0.375
where
-0.375 is the difference between 3/12 and 5/8.

For values other than 3/12 minus 5/8, use this below tool:

## How-to: 3/12 - 5/8 = ?

The below workout with step by step calculation shows how to find what is 3/12 minus 5/8 in simplest form by using the following methods:
1. LCM method,
2. Cross multiplication method.

Problem and Workout - LCM Method:
What is 3/12 minus 5/8 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 3/12
Fraction B: 5/8

What to be found?
3/12-5/8 = ?
Find what's the difference between 3/12 and 5/8.

step 2 Compare the denominators of fractions 3/12 and 5/8 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 3/12 and 5/8 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 3/12 and 5/8:
The LCM of 12 and 8 is 24.

step 4 Write the fractions 3/12 and 5/8 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
=3/12-5/8
=(3 x 24)/(12 x 24)-(5 x 24)/(8 x 24)

step 5 Simplify the expression to have common denominator:
=6/24-15/24

step 6 Take the common values out and rewrite the above expression like the below:
=1/24 x (6/1-15/1)
=1/24 x (6 - 15)

step 7Simplify the above expression further:
=1/24 x -9
= -9/24
=-3/8
3/12-5/8=-3/8

Hence,
3/12 minus 5/8 equals to -3/8 in fraction.

Problem and Workout - Cross Multiplication Method
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 3/12
Fraction B: 5/8

What to be found?
3/12-5/8 = ?
Find what's the difference between 3/12 and 5/8.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (3 x 8), find the product of numerator of Fraction B and denominator of Fraction A (5 x 12), and find the product of both denominators of Fraction A and Fraction B (12 x 8) and rewrite the equation as like the below:
= (3 x 8) - (5 x 12)/(12 x 8)

step 3 Simplify and rewrite the fraction:
= (24 - 60)/96
= -36/96
= -3/8
3/12-5/8 = -3/8
Hence,
3/12 minus 5/8 = -3/8 