# What is 1/3 + 1/4? getcalc.com's two fractions addition calculator is an online basic math function tool to find what's the equivalent fraction for sum of two fractional numbers with different, unequal or unlike denominators 1/3 and 1/4.

1/3 + 1/4 = 7/12 in fraction form

1/3 + 1/4 = 0.5833 in decimal form
This calculator, formula, step by step calculation and associated information for adding 1/3 and 1/4 may help students, teachers, parents or professionals to learn, teach, practice or verify such two fractions addition calculations efficiently.

## How to Find Equivalent Fraction for 1/3+1/4?

The below workout with step by step calculation shows how to find the equivalent fraction between 1/3 and 1/4 by adding two fractions with different, unequal or unlike denominators. The sum in fraction form for 1/3 plus 1/4 can be obtained by using anyone of the two methods below.
1. LCM method
2. Cross multiplication method.

Problem and Workout - LCM Method
What is 1/3 plus 1/4 as a fraction by addition using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
1/3 & 1/4
1/3+1/4 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 3 and 4 is 12.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(1 x 12)/(3 x 12)+(1 x 12)/(4 x 12)
=4/12+3/12
=(4 + 3)/12

step 4 Add both numerator and rewrite it in a single form.
=7/12
1/3+1/4=7/12

By using LCM method, 7/12 is the equivalent fraction by adding 1/3 and 1/4.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
1/3 & 1/4
1/3 + 1/4 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (1 x 4) + (1 x 3)/(3 x 4)

step 3 Simplify and rewrite the fraction
= (4 + 3)/12
1/3+1/4 = 7/12
By using cross multiplication method, 7/12 is the addition between two fractions 1/3 and 1/4. 