# What is 5/8 - 1? getcalc.com's two fractions subtraction calculator is an online basic math function tool to find what's the equivalent fraction for difference between fraction and a whole number, 5/8 minus 1. In mathematics, every integer is a rational number, hence a whole number 1 can be written as 1/1.
5/8 - 1 = -3/8 in fraction form

5/8 - 1 = -0.375 in decimal form
This calculator, formula, step by step calculation and associated information to find the difference between 5/8 and 1 may help students, teachers, parents or professionals to learn, teach, practice or verify such two fractions subtraction calculations efficiently.

## How to Find Equivalent Fraction for 5/8-1?

The below workout with step by step calculation shows how to find the difference between fraction and a whole number by subtracting 1 from 5/8. use any one of the following methods to find the equivalent fraction for 5/8 minus 1.
1. LCM method
2. Cross multiplication method.

Problem and Workout - LCM Method
What is 5/8 minus 1 as a fraction by subtraction using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
5/8 & 1/1
5/8-1 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 8 and 1 is 8.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(5 x 8)/(8 x 8)-(1 x 8)/(1 x 8)
=5/8-8/8
=(5 - 8)/8

step 4 Find difference between numerators and rewrite it in a single form.
=-3/8
5/8-1=-3/8

By using LCM method, -3/8 is the equivalent fraction by subtracting 1 from 5/8.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
5/8 & 1/1
5/8 - 1 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (5 x 1) - (1 x 8)/(8 x 1)

step 3 Simplify and rewrite the fraction
= (5 - 8)/8
5/8-1 = -3/8
By using cross multiplication method, -3/8 is the difference between two fractions 5/8 and 1. 