3 - (85/20) Subtract fraction from whole number - How to subtract fractions?

Subtract Fraction 85/20 from Whole Number 3 and get the result i.e. -5/4 taking help of Number Minus Fraction Calculator along with detailed work.

Ex: 2-(5/10) (or) 4-(6/22) (or) 5-(7/15)

Solution finding the Subtraction of Fraction 85/20 from Whole Number 3

The given input are 3 and 85/20

3 can be written as 3/1 in fraction format

The given fractions are 3/1 and 85/20

Firstly the L.C.M should be done for the denominators of the two fractions 3/1 and 85/20

3/1 - 85/20

The LCM of 1 and 20 (denominators of the fractions) is 20

Given numbers has no common factors except 1. So, there LCM is their product i.e 20

= 3 x 20 - 85 x 1/20

= 60 - 85/20

= -25/20

= -5/4

Result: -5/4

Here are some samples of Number minus Fraction calculations.