What is 3/8 - 1/12?

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 1/12 from 3/8. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 3/8 minus 1/12.
1. LCM method
2. Cross multiplication method.

Problem and Workout - LCM Method
What is 3/8 minus 1/12 as a fraction by subtraction using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
3/8 & 1/12
3/8-1/12 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 8 and 12 is 24.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(3 x 24)/(8 x 24)-(1 x 24)/(12 x 24)
=9/24-2/24
=(9 - 2)/24

step 4 Find difference between numerators and rewrite it in a single form.
=7/24
3/8-1/12=7/24

By using LCM method, 7/24 is the equivalent fraction by subtracting 1/12 from 3/8.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
3/8 & 1/12
3/8 - 1/12 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (3 x 12) - (1 x 8)/(8 x 12)

step 3 Simplify and rewrite the fraction
= (36 - 8)/96
= 28/96
= 7/24
3/8-1/12 = 7/24
By using cross multiplication method, 7/24 is the difference between two fractions 3/8 and 1/12.